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Уязвимости linux-raspi · Страница 133

За последние 30 дней в linux-raspi опубликовано уязвимостей: 835; в каталоге KEV: 0.

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  1. CVE-2026-89546

    Критический · CVSS 9.8EPSS 0,55%Нет опубликованного исправления

    SUNRPC: close backchannel before destroying callback service

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: close backchannel before destroying callback service A backchannel receive can complete a request while the NFS callback service is being torn down. xprt_complete_bc_request() removes the request from bc_pa_list, drops bc_alloc_count, marks the request in use, and then asks xprt_enqueue_bc_request() to hand it to the callback service. If teardown has already cleared xprt->bc_serv, xprt_enqueue_bc_request() currently returns without enqueueing or freeing the committed request. The xprt_get() taken on entry is leaked as well. If the producer wins the race before bc

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  2. CVE-2026-89545

    Высокий · CVSS 7.8EPSS 0,16%Нет опубликованного исправления

    sunrpc: defer rq_argp and rq_resp free until after RCU grace period

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: defer rq_argp and rq_resp free until after RCU grace period svc_rqst_free() frees rqstp->rq_argp and rqstp->rq_resp synchronously via kfree(), but defers the rqstp struct free via kfree_rcu(). After svc_exit_thread() calls list_del_rcu() and svc_rqst_free(), there is a window where RCU readers that started before list_del_rcu() can still traverse the thread list and find the rqstp. These readers (e.g. nfsd_nl_rpc_status_get_dumpit()) dereference rqstp->rq_argp, which has already been freed — a use-after-free. Fix this by moving the kfree of rq_argp and rq_resp in

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  3. CVE-2026-89544

    Высокий · CVSS 7.5EPSS 0,72%Нет опубликованного исправления

    SUNRPC: fix gssx_dec_option_array error path bugs

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix gssx_dec_option_array error path bugs Four coupled defects in the gssx XDR option-array decoder make the error paths unsafe: a NULL deref in the caller, a refcount leak on the decoded group_info, and a latent use-after-free that the leak fix would otherwise expose. gssx_dec_option_array() sets oa->count = 1 before allocating oa->data. If that allocation fails, -ENOMEM is returned with oa->count == 1 and oa->data == NULL. All other error paths jump to free_oa: which frees oa->data and NULLs it but also leaves oa->count == 1. The caller trusts the count:

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  4. CVE-2026-89543

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    sunrpc: fix use-after-free in __rpc_clnt_handle_event and __rpc_clnt_remove_pipedir

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix use-after-free in __rpc_clnt_handle_event and __rpc_clnt_remove_pipedir Normal client creation goes through rpc_setup_pipedir(), which records clnt->pipefs_sb, but the mount-event path in __rpc_clnt_handle_event() calls rpc_setup_pipedir_sb() directly and never refreshes that field. The umount path also removes the directory without clearing clnt->pipefs_sb. After a late pipefs mount or any remount, rpc_clnt_remove_pipedir() compares the current superblock against a stale pipefs_sb pointer and skips cleanup, leaving pipefs dentries whose inode private data stil

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  5. CVE-2026-89542

    Критический · CVSS 9.8EPSS 0,51%Нет опубликованного исправления

    SUNRPC: harden gss_krb5_unwrap_v2 against short tokens

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gss_krb5_unwrap_v2 against short tokens gss_krb5_unwrap_v2() reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSS_KRB5_TOK_HDR_LEN (16) bytes long, and its rotate_left() helper passes buf->len - base to xdr_buf_subsegment() without verifying that base <= buf->len. When a caller hands in a sub-16-byte token, or a token whose declared len leaves base past the end of the buffer, three distinct failures follow: gss_krb5_unwrap_v2(offset, len, buf) ptr = buf->head[0].iov_base + offset ec = *(ptr +

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  6. CVE-2026-89541

    Критический · CVSS 9.8EPSS 0,51%Нет опубликованного исправления

    SUNRPC: harden gss_unwrap_resp_priv length checks

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gss_unwrap_resp_priv length checks gss_unwrap_resp_priv() validates the RPCSEC_GSS opaque length with offset = (u8 *)(p) - (u8 *)head->iov_base; if (offset + opaque_len > rcv_buf->len) goto unwrap_failed; maj_stat = gss_unwrap(ctx->gc_gss_ctx, offset, offset + opaque_len, rcv_buf); Both operands are u32 and the sum is computed in u32. A reply with opaque_len near 0xffffffff makes offset + opaque_len wrap to a small value that is below rcv_buf->len, so the bound check passes and gss_unwrap() is called with en

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  7. CVE-2026-89540

    Высокий · CVSS 7.8EPSS 0,13%Нет опубликованного исправления

    sunrpc: init gssp_lock before publishing proc entry

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: init gssp_lock before publishing proc entry create_use_gss_proxy_proc_entry() publishes /proc/net/rpc/use-gss-proxy via proc_create_data() before init_gssp_clnt() runs mutex_init() on sn->gssp_lock. Once the dentry is linked under proc_subdir_lock it is immediately reachable from userspace, so a write that lands in the window drives set_gssp_clnt() into mutex_lock() on a zero-initialized struct mutex. create_use_gss_proxy_proc_entry(net) proc_create_data("use-gss-proxy", ...) /* dentry live */ init_gssp_clnt(sn) mutex_init(&sn->gssp_lock)

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  8. CVE-2026-89539

    Без оценкиEPSS 0,21%Нет опубликованного исправления

    SUNRPC: reject duplicate CREDS_VALUE options

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: reject duplicate CREDS_VALUE options gssx_dec_option_array() walks the wire-supplied option array and, for every entry whose name matches CREDS_VALUE, calls gssx_dec_linux_creds() on the same struct svc_cred. That helper unconditionally installs a fresh groups_alloc() result into creds->cr_group_info without releasing whatever pointer was already there: for (i = 0; i < count; i++) { ... decode name ... if (length == sizeof(CREDS_VALUE) && memcmp(p, CREDS_VALUE, sizeof(CREDS_VALUE)) == 0) { err = gssx_dec_linux_creds(xdr,

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  9. CVE-2026-89538

    Критический · CVSS 9.8EPSS 0,71%Нет опубликованного исправления

    SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field gss_krb5_unwrap_v2() sets buf->len to a logical length, which can be much smaller than head[0].iov_len (the allocated receive-page capacity). It then calls xdr_buf_trim() with a trim length derived from the 16-bit "extra count" (ec) field in the Kerberos v2 token header. The ec field is authenticated by the post-decrypt memcmp() against the encrypted header copy, so a randomly-mutated value is rejected. However, any peer holding a valid GSS context can legitimately encrypt a token whose ec exceeds the plaintext l

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  10. CVE-2026-89537

    Критический · CVSS 9.1EPSS 0,73%Нет опубликованного исправления

    SUNRPC: Reject short RFC 4121 MIC tokens in gss_krb5_verify_mic_v2

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject short RFC 4121 MIC tokens in gss_krb5_verify_mic_v2 gss_krb5_verify_mic_v2() reads the token ID at ptr[0..1], the flags byte at ptr[2], and padding at ptr[3..7], then passes ptr + GSS_KRB5_TOK_HDR_LEN and cksum_len to gss_krb5_mic_build_sg(). None of these accesses check read_token->len first. The minimum safe token size is GSS_KRB5_TOK_HDR_LEN (16) plus ctx->krb5e->cksum_len (12-24, depending on the enctype). All callers accept shorter tokens from the wire: - gss_unwrap_resp_integ() enforces only an upper bound (offset + len <= rcv_buf->len) before al

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  11. CVE-2026-89536

    Критический · CVSS 9.8EPSS 0,64%Нет опубликованного исправления

    SUNRPC: wait for in-flight client TLS handshake callback

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xs_tls_handshake_sync() gives xs_tls_handshake_done() a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter drops that reference after calling tls_handshake_cancel(). handshake_req_cancel() returns false when handshake_complete() has already marked the request complete. In that case the completion callback can still be running, so dropping the callback-owned reference in the waiter can free the lower transport before xs_tls_handshake_done() stores xpr

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  12. CVE-2026-89535

    Высокий · CVSS 8.1EPSS 0,54%Нет опубликованного исправления

    svcrdma: Reorder rpcrdma_rn_unregister before rdma_destroy_id

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reorder rpcrdma_rn_unregister before rdma_destroy_id svc_rdma_free() caches rdma->sc_cm_id->device before teardown, then calls rdma_destroy_id(sc_cm_id) which frees the cm_id. rpcrdma_rn_unregister() follows, but between those two calls the transport's sc_rn entry is still installed in the device's rd_xa. A concurrent ib_unregister_device walk can dispatch svc_rdma_xprt_done() against the now-freed sc_cm_id. Move rpcrdma_rn_unregister() before rdma_destroy_id() so the transport's notification entry is removed from the xarray before the cm_id it references is destr

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  13. CVE-2026-89534

    Высокий · CVSS 8.8EPSS 0,28%Нет опубликованного исправления

    svcrdma: Clear sc_cm_id when ADDR_CHANGE replacement fails

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Clear sc_cm_id when ADDR_CHANGE replacement fails When svc_rdma_listen_handler() handles RDMA_CM_EVENT_ADDR_CHANGE, it creates a replacement listener cm_id and returns 1, telling the CM core to destroy the old one. If the replacement allocation fails, sc_cm_id still points at the old cm_id that the CM core is about to destroy. Any subsequent dereference of sc_cm_id -- such as svc_rdma_detach()'s rdma_disconnect() call -- is a use-after-free. NULL sc_cm_id on the failure path and guard svc_rdma_detach()'s rdma_disconnect() call against NULL so that the listener can

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  14. CVE-2026-89533

    Критический · CVSS 9.8EPSS 0,5%Нет опубликованного исправления

    svcrdma: Fix offset arithmetic in read_chunk_range

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Fix offset arithmetic in read_chunk_range svc_rdma_read_chunk_range() walks a Read chunk's segment list to build a sub-range starting at byte offset and spanning length bytes for a Position-Zero or Call chunk. Two arithmetic defects in the per-segment loop produce wrong DMA lengths and a u32 underflow: pcl_for_each_segment(segment, chunk) { if (offset > segment->rs_length) { offset -= segment->rs_length; continue; } dummy.rs_handle = segment->rs_handle; dummy.rs_length = m

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  15. CVE-2026-89532

    Критический · CVSS 9.1EPSS 0,5%Нет опубликованного исправления

    svcrdma: Fix pcl_for_each_segment for empty chunks

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Fix pcl_for_each_segment for empty chunks When a parsed chunk list contains a chunk whose ch_segcount is zero, pcl_for_each_segment computes its inclusive upper bound as &chunk->ch_segments[ch_segcount - 1]. ch_segcount is u32, so the subtraction wraps to 0xFFFFFFFF and the bound lands far past the ch_segments flex array. The loop body then walks unrelated memory at sizeof(struct svc_rdma_segment) stride until it faults. A zero-segcount chunk is reachable from the wire: xdr_check_write_chunk() only rejects segcount values greater than rc_maxpages, and pcl_alloc_wr

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  16. CVE-2026-89531

    Высокий · CVSS 8.2EPSS 0,21%Нет опубликованного исправления

    svcrdma: Reject connection when transport allocation fails

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject connection when transport allocation fails handle_connect_req() returns without action when svc_rdma_create_xprt() fails to allocate the new transport. The CM core returns 0 for CONNECT_REQUEST events, so it does not destroy the new rdma_cm_id. Each allocation failure under memory pressure leaks one rdma_cm_id, and a remote peer driving connection attempts can amplify this. Reject the connection by returning a non-zero status from the CM event handler, which tells the CM core to destroy the orphaned cm_id.

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  17. CVE-2026-89530

    Критический · CVSS 9.8EPSS 0,49%Нет опубликованного исправления

    svcrdma: Reject inline replies that overflow the pull-up buffer

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject inline replies that overflow the pull-up buffer An RPC-over-RDMA client can request a reply, such as an NFS READ payload, without providing a Write list or a Reply chunk to carry it. When such a reply needs more scatter/gather entries than the device's Send Queue supports, svc_rdma_pull_up_needed() selects pull-up and svc_rdma_pull_up_reply_msg() linearizes the whole reply into sctxt->sc_xprt_buf. That buffer is only sc_max_req_size bytes, while the reply on this path is bounded only by the client's request, so svc_rdma_xb_linearize() copies past the end of

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  18. CVE-2026-89529

    Без оценкиEPSS 0,2%Нет опубликованного исправления

    svcrdma: Reject oversized Read segments at decode time

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject oversized Read segments at decode time The RPC/RDMA Read list decoder stores wire-supplied segment lengths without validation. xdr_count_read_segments() checks 4-byte alignment for non-zero position values but does not cap the segment length. An oversized rs_length reaches svc_rdma_build_read_segment(), which derives nr_bvec from it and can drive a large dynamic bvec allocation before verifying that enough rq_pages remain. If the post-allocation page-overrun guard fires, the freshly acquired rw context is not returned, leaking the resource. Reject any segm

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  19. CVE-2026-89528

    Высокий · CVSS 7.5EPSS 0,71%Нет опубликованного исправления

    svcrdma: Reject Read lists that exceed the page budget

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject Read lists that exceed the page budget Individual Read segment lengths are validated at decode time, but nothing prevents a requester from sending multiple segments whose cumulative length exceeds the rq_pages array budget. When one segment fills the page array exactly, the runtime guard in svc_rdma_build_read_segment() is bypassed because len reaches zero. A subsequent segment then accesses the NULL sentinel slot at rq_pages[rq_maxpages], resulting in a NULL pointer dereference during DMA mapping. Accumulate pages across all Read segments and reject the me

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

  20. CVE-2026-89527

    Средний · CVSS 4.6EPSS 0,22%Нет опубликованного исправления

    svcrdma: Use svc_xprt_put to free listener on create failure

    In the Linux kernel, the following vulnerability has been resolved: svcrdma: Use svc_xprt_put to free listener on create failure svc_rdma_create() calls kfree(cma_xprt) when svc_rdma_create_listen_id() fails. svc_xprt_init() has already acquired a net namespace reference via get_net_track(); kfree bypasses svc_xprt_free() which releases it. Replace the kfree() with svc_xprt_put() so the kref_init birth reference drops to zero and svc_xprt_free() dispatches svc_rdma_free() to clean up properly. sc_cm_id is still NULL at that point; the preceding patch added the necessary NULL guard in svc_rdma_free(). svc_xprt_free() also drops the module

    linux-raspiОперационные системы
    Опубликовано Обновлено
    Исходное сообщение 1 ↗Исходное сообщение 2 ↗Исходное сообщение 3 ↗

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