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Уязвимости linux-kvm · Страница 163

За последние 30 дней в linux-kvm опубликовано уязвимостей: 323; в каталоге KEV: 0.

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  1. CVE-2025-39945

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

    cnic: Fix use-after-free bugs in cnic_delete_task

    In the Linux kernel, the following vulnerability has been resolved: cnic: Fix use-after-free bugs in cnic_delete_task The original code uses cancel_delayed_work() in cnic_cm_stop_bnx2x_hw(), which does not guarantee that the delayed work item 'delete_task' has fully completed if it was already running. Additionally, the delayed work item is cyclic, the flush_workqueue() in cnic_cm_stop_bnx2x_hw() only blocks and waits for work items that were already queued to the workqueue prior to its invocation. Any work items submitted after flush_workqueue() is called are not included in the set of tasks that the flush operation awaits. This means that

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  2. CVE-2025-39940

    Средний · CVSS 5.5EPSS 0,2%Нет опубликованного исправления

    dm-stripe: fix a possible integer overflow

    In the Linux kernel, the following vulnerability has been resolved: dm-stripe: fix a possible integer overflow There's a possible integer overflow in stripe_io_hints if we have too large chunk size. Test if the overflow happened, and if it did, don't set limits->io_min and limits->io_opt;

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  3. CVE-2025-39937

    Средний · CVSS 5.5EPSS 0,15%Нет опубликованного исправления

    net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer

    In the Linux kernel, the following vulnerability has been resolved: net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer Since commit 7d5e9737efda ("net: rfkill: gpio: get the name and type from device property") rfkill_find_type() gets called with the possibly uninitialized "const char *type_name;" local variable. On x86 systems when rfkill-gpio binds to a "BCM4752" or "LNV4752" acpi_device, the rfkill->type is set based on the ACPI acpi_device_id: rfkill->type = (unsigned)id->driver_data; and there is no "type" property so device_property_read_string() will fail and leave type_name uninitialized, leading to

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  4. CVE-2025-39931

    Высокий · CVSS 7.8EPSS 0,17%Нет опубликованного исправления

    crypto: af_alg - Set merge to zero early in af_alg_sendmsg

    In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Set merge to zero early in af_alg_sendmsg If an error causes af_alg_sendmsg to abort, ctx->merge may contain a garbage value from the previous loop. This may then trigger a crash on the next entry into af_alg_sendmsg when it attempts to do a merge that can't be done. Fix this by setting ctx->merge to zero near the start of the loop.

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  6. CVE-2023-53521

    Высокий · CVSS 7.1EPSS 0,15%Нет опубликованного исправления

    scsi: ses: Fix slab-out-of-bounds in ses_intf_remove()

    In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in ses_intf_remove() A fix for: BUG: KASAN: slab-out-of-bounds in ses_intf_remove+0x23f/0x270 [ses] Read of size 8 at addr ffff88a10d32e5d8 by task rmmod/12013 When edev->components is zero, accessing edev->component[0] members is wrong.

    linux-kvmОперационные системы
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  7. CVE-2023-53519

    Средний · CVSS 5.5EPSS 0,12%Нет опубликованного исправления

    media: v4l2-mem2mem: add lock to protect parameter num_rdy

    In the Linux kernel, the following vulnerability has been resolved: media: v4l2-mem2mem: add lock to protect parameter num_rdy Getting below error when using KCSAN to check the driver. Adding lock to protect parameter num_rdy when getting the value with function: v4l2_m2m_num_src_bufs_ready/v4l2_m2m_num_dst_bufs_ready. kworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2_m2m_buf_queue kworker/u16:3: [name:report&] kworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7: kworker/u16:3:  v4l2_m2m_buf_queue+0xd8/0x10c

    linux-kvmОперационные системы
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  8. CVE-2023-53518

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

    PM / devfreq: Fix leak in devfreq_dev_release()

    In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Fix leak in devfreq_dev_release() srcu_init_notifier_head() allocates resources that need to be released with a srcu_cleanup_notifier_head() call. Reported by kmemleak.

    linux-kvmОперационные системы
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  9. CVE-2023-53517

    Критический · CVSS 9.8EPSS 0,3%Нет опубликованного исправления

    tipc: do not update mtu if msg_max is too small in mtu negotiation

    In the Linux kernel, the following vulnerability has been resolved: tipc: do not update mtu if msg_max is too small in mtu negotiation When doing link mtu negotiation, a malicious peer may send Activate msg with a very small mtu, e.g. 4 in Shuang's testing, without checking for the minimum mtu, l->mtu will be set to 4 in tipc_link_proto_rcv(), then n->links[bearer_id].mtu is set to 4294967228, which is a overflow of '4 - INT_H_SIZE - EMSG_OVERHEAD' in tipc_link_mss(). With tipc_link.mtu = 4, tipc_link_xmit() kept printing the warning: tipc: Too large msg, purging xmit list 1 5 0 40 4! tipc: Too large msg, purging xmit list 1 15 0 60 4!

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  10. CVE-2023-53515

    Высокий · CVSS 7.8EPSS 0,15%Нет опубликованного исправления

    virtio-mmio: don't break lifecycle of vm_dev

    In the Linux kernel, the following vulnerability has been resolved: virtio-mmio: don't break lifecycle of vm_dev vm_dev has a separate lifecycle because it has a 'struct device' embedded. Thus, having a release callback for it is correct. Allocating the vm_dev struct with devres totally breaks this protection, though. Instead of waiting for the vm_dev release callback, the memory is freed when the platform_device is removed. Resulting in a use-after-free when finally the callback is to be called. To easily see the problem, compile the kernel with CONFIG_DEBUG_KOBJECT_RELEASE and unbind with sysfs. The fix is easy, don't use devres in thi

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  11. CVE-2023-53513

    Средний · CVSS 5.5EPSS 0,15%Нет опубликованного исправления

    nbd: fix incomplete validation of ioctl arg

    In the Linux kernel, the following vulnerability has been resolved: nbd: fix incomplete validation of ioctl arg We tested and found an alarm caused by nbd_ioctl arg without verification. The UBSAN warning calltrace like below: UBSAN: Undefined behaviour in fs/buffer.c:1709:35 signed integer overflow: -9223372036854775808 - 1 cannot be represented in type 'long long int' CPU: 3 PID: 2523 Comm: syz-executor.0 Not tainted 4.19.90 #1 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x0/0x3f0 arch/arm64/kernel/time.c:78 show_stack+0x28/0x38 arch/arm64/kernel/traps.c:158 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  12. CVE-2023-53510

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

    scsi: ufs: core: Fix handling of lrbp->cmd

    In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix handling of lrbp->cmd ufshcd_queuecommand() may be called two times in a row for a SCSI command before it is completed. Hence make the following changes: - In the functions that submit a command, do not check the old value of lrbp->cmd nor clear lrbp->cmd in error paths. - In ufshcd_release_scsi_cmd(), do not clear lrbp->cmd. See also scsi_send_eh_cmnd(). This commit prevents that the following appears if a command times out: WARNING: at drivers/ufs/core/ufshcd.c:2965 ufshcd_queuecommand+0x6f8/0x9a8 Call trace: ufshcd_queuecommand+0x6f8/0x9a8

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  13. CVE-2023-53509

    Средний · CVSS 5.5EPSS 0,16%Нет опубликованного исправления

    qed: allow sleep in qed_mcp_trace_dump()

    In the Linux kernel, the following vulnerability has been resolved: qed: allow sleep in qed_mcp_trace_dump() By default, qed_mcp_cmd_and_union() delays 10us at a time in a loop that can run 500K times, so calls to qed_mcp_nvm_rd_cmd() may block the current thread for over 5s. We observed thread scheduling delays over 700ms in production, with stacktraces pointing to this code as the culprit. qed_mcp_trace_dump() is called from ethtool, so sleeping is permitted. It already can sleep in qed_mcp_halt(), which calls qed_mcp_cmd(). Add a "can sleep" parameter to qed_find_nvram_image() and qed_nvram_read() so they can sleep during qed_mcp_trace_

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  14. CVE-2023-53506

    Высокий · CVSS 7.8EPSS 0,17%Нет опубликованного исправления

    udf: Do not bother merging very long extents

    In the Linux kernel, the following vulnerability has been resolved: udf: Do not bother merging very long extents When merging very long extents we try to push as much length as possible to the first extent. However this is unnecessarily complicated and not really worth the trouble. Furthermore there was a bug in the logic resulting in corrupting extents in the file as syzbot reproducer shows. So just don't bother with the merging of extents that are too long together.

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  15. CVE-2023-53505

    Средний · CVSS 5.5EPSS 0,16%Нет опубликованного исправления

    clk: tegra: tegra124-emc: Fix potential memory leak

    In the Linux kernel, the following vulnerability has been resolved: clk: tegra: tegra124-emc: Fix potential memory leak The tegra and tegra needs to be freed in the error handling path, otherwise it will be leaked.

    linux-kvmОперационные системы
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  16. CVE-2023-53503

    Высокий · CVSS 7.1EPSS 0,16%Нет опубликованного исправления

    ext4: allow ext4_get_group_info() to fail

    In the Linux kernel, the following vulnerability has been resolved: ext4: allow ext4_get_group_info() to fail Previously, ext4_get_group_info() would treat an invalid group number as BUG(), since in theory it should never happen. However, if a malicious attaker (or fuzzer) modifies the superblock via the block device while it is the file system is mounted, it is possible for s_first_data_block to get set to a very large number. In that case, when calculating the block group of some block number (such as the starting block of a preallocation region), could result in an underflow and very large block group number. Then the BUG_ON check in

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  17. CVE-2023-53500

    Высокий · CVSS 7.3EPSS 0,16%Нет опубликованного исправления

    xfrm: fix slab-use-after-free in decode_session6

    In the Linux kernel, the following vulnerability has been resolved: xfrm: fix slab-use-after-free in decode_session6 When the xfrm device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when the xfrm device sends IPv6 packets. The stack information is as follows: BUG: KASAN: slab-use-after-free in decode_session6+0x103f/0x1890 Read of size 1 at addr ffff8881111458ef by task swapper/3/0 CPU: 3 PID: 0 Comm: swapper/3 Not tainted 6.4.0-next-20230707 #409 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1.fc33 04/01/2014 Call Trace: <IRQ>

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  18. CVE-2023-53491

    Высокий · CVSS 7.5EPSS 0,35%Нет опубликованного исправления

    start_kernel: Add __no_stack_protector function attribute

    In the Linux kernel, the following vulnerability has been resolved: start_kernel: Add __no_stack_protector function attribute Back during the discussion of commit a9a3ed1eff36 ("x86: Fix early boot crash on gcc-10, third try") we discussed the need for a function attribute to control the omission of stack protectors on a per-function basis; at the time Clang had support for no_stack_protector but GCC did not. This was fixed in gcc-11. Now that the function attribute is available, let's start using it. Callers of boot_init_stack_canary need to use this function attribute unless they're compiled with -fno-stack-protector, otherwise the canar

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  19. CVE-2023-53489

    Средний · CVSS 6.8EPSS 0,16%Нет опубликованного исправления

    tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp.

    In the Linux kernel, the following vulnerability has been resolved: tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp. syzkaller reported [0] memory leaks of an UDP socket and ZEROCOPY skbs. We can reproduce the problem with these sequences: sk = socket(AF_INET, SOCK_DGRAM, 0) sk.setsockopt(SOL_SOCKET, SO_TIMESTAMPING, SOF_TIMESTAMPING_TX_SOFTWARE) sk.setsockopt(SOL_SOCKET, SO_ZEROCOPY, 1) sk.sendto(b'', MSG_ZEROCOPY, ('127.0.0.1', 53)) sk.close() sendmsg() calls msg_zerocopy_alloc(), which allocates a skb, sets skb->cb->ubuf.refcnt to 1, and calls sock_hold(). Here, struct ubuf_info_msgzc indirectly holds a refc

    linux-kvmОперационные системы
    Опубликовано Обновлено
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  20. CVE-2023-53488

    Средний · CVSS 5.5EPSS 0,16%Нет опубликованного исправления

    IB/hfi1: Fix possible panic during hotplug remove

    In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix possible panic during hotplug remove During hotplug remove it is possible that the update counters work might be pending, and may run after memory has been freed. Cancel the update counters work before freeing memory.

    linux-kvmОперационные системы
    Опубликовано Обновлено
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