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Уязвимости linux · Страница 174

За последние 30 дней в linux опубликовано уязвимостей: 269; в каталоге KEV: 0.

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  1. CVE-2022-49276

    Средний · CVSS 5.5EPSS 0,27%Нет опубликованного исправления

    jffs2: fix memory leak in jffs2_scan_medium

    In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_scan_medium If an error is returned in jffs2_scan_eraseblock() and some memory has been added to the jffs2_summary *s, we can observe the following kmemleak report: -------------------------------------------- unreferenced object 0xffff88812b889c40 (size 64): comm "mount", pid 692, jiffies 4294838325 (age 34.288s) hex dump (first 32 bytes): 40 48 b5 14 81 88 ff ff 01 e0 31 00 00 00 50 00 @H........1...P. 00 00 01 00 00 00 01 00 00 00 02 00 00 00 09 08 ................ backtrace: [<ffffffffae93a3a3>] __kmalloc+0x613/0x910

    linuxОперационные системы
    Опубликовано Обновлено
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  2. CVE-2022-49275

    Высокий · CVSS 7.8EPSS 0,28%Нет опубликованного исправления

    can: m_can: m_can_tx_handler(): fix use after free of skb

    In the Linux kernel, the following vulnerability has been resolved: can: m_can: m_can_tx_handler(): fix use after free of skb can_put_echo_skb() will clone skb then free the skb. Move the can_put_echo_skb() for the m_can version 3.0.x directly before the start of the xmit in hardware, similar to the 3.1.x branch.

    linuxОперационные системы
    Опубликовано Обновлено
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  3. CVE-2022-49264

    Высокий · CVSS 7.8EPSS 0,3%Нет опубликованного исправления

    exec: Force single empty string when argv is empty

    In the Linux kernel, the following vulnerability has been resolved: exec: Force single empty string when argv is empty Quoting[1] Ariadne Conill: "In several other operating systems, it is a hard requirement that the second argument to execve(2) be the name of a program, thus prohibiting a scenario where argc < 1. POSIX 2017 also recommends this behaviour, but it is not an explicit requirement[2]: The argument arg0 should point to a filename string that is associated with the process being started by one of the exec functions. ... Interestingly, Michael Kerrisk opened an issue about this in 2008[3], but there was no consensus

    linuxОперационные системы
    Опубликовано Обновлено
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  4. CVE-2022-49253

    Средний · CVSS 5.5EPSS 0,28%Нет опубликованного исправления

    media: usb: go7007: s2250-board: fix leak in probe()

    In the Linux kernel, the following vulnerability has been resolved: media: usb: go7007: s2250-board: fix leak in probe() Call i2c_unregister_device(audio) on this error path.

    linuxОперационные системы
    Опубликовано Обновлено
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  5. CVE-2022-49248

    Средний · CVSS 5.5EPSS 0,27%Нет опубликованного исправления

    ALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction

    In the Linux kernel, the following vulnerability has been resolved: ALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction AV/C deferred transaction was supported at a commit 00a7bb81c20f ("ALSA: firewire-lib: Add support for deferred transaction") while 'deferrable' flag can be uninitialized for non-control/notify AV/C transactions. UBSAN reports it: kernel: ================================================================================ kernel: UBSAN: invalid-load in /build/linux-aa0B4d/linux-5.15.0/sound/firewire/fcp.c:363:9 kernel: load of value 158 is not a valid value for type '_Bool' kernel: CPU: 3 PID: 182227 Comm

    linuxОперационные системы
    Опубликовано Обновлено
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  6. CVE-2022-49247

    Средний · CVSS 5.5EPSS 0,27%Нет опубликованного исправления

    media: stk1160: If start stream fails, return buffers with VB2_BUF_STATE_QUEUED

    In the Linux kernel, the following vulnerability has been resolved: media: stk1160: If start stream fails, return buffers with VB2_BUF_STATE_QUEUED If the callback 'start_streaming' fails, then all queued buffers in the driver should be returned with state 'VB2_BUF_STATE_QUEUED'. Currently, they are returned with 'VB2_BUF_STATE_ERROR' which is wrong. Fix this. This also fixes the warning: [ 65.583633] WARNING: CPU: 5 PID: 593 at drivers/media/common/videobuf2/videobuf2-core.c:1612 vb2_start_streaming+0xd4/0x160 [videobuf2_common] [ 65.585027] Modules linked in: snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_soc_hdmi_codec dw_h

    linuxОперационные системы
    Опубликовано Обновлено
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  7. CVE-2022-49243

    Средний · CVSS 5.5EPSS 0,27%Нет опубликованного исправления

    ASoC: atmel: Add missing of_node_put() in at91sam9g20ek_audio_probe

    In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Add missing of_node_put() in at91sam9g20ek_audio_probe This node pointer is returned by of_parse_phandle() with refcount incremented in this function. Calling of_node_put() to avoid the refcount leak.

    linuxОперационные системы
    Опубликовано Обновлено
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  8. CVE-2022-49242

    Средний · CVSS 5.5EPSS 0,27%Нет опубликованного исправления

    ASoC: mxs: Fix error handling in mxs_sgtl5000_probe

    In the Linux kernel, the following vulnerability has been resolved: ASoC: mxs: Fix error handling in mxs_sgtl5000_probe This function only calls of_node_put() in the regular path. And it will cause refcount leak in error paths. For example, when codec_np is NULL, saif_np[0] and saif_np[1] are not NULL, it will cause leaks. of_node_put() will check if the node pointer is NULL, so we can call it directly to release the refcount of regular pointers.

    linuxОперационные системы
    Опубликовано Обновлено
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  9. CVE-2022-49241

    Средний · CVSS 5.5EPSS 0,26%Нет опубликованного исправления

    ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe

    In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. This function only calls of_node_put() in the regular path. And it will cause refcount leak in error path.

    linuxОперационные системы
    Опубликовано Обновлено
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  10. CVE-2022-49235

    Средний · CVSS 5.5EPSS 0,28%Нет опубликованного исправления

    ath9k_htc: fix uninit value bugs

    In the Linux kernel, the following vulnerability has been resolved: ath9k_htc: fix uninit value bugs Syzbot reported 2 KMSAN bugs in ath9k. All of them are caused by missing field initialization. In htc_connect_service() svc_meta_len and pad are not initialized. Based on code it looks like in current skb there is no service data, so simply initialize svc_meta_len to 0. htc_issue_send() does not initialize htc_frame_hdr::control array. Based on firmware code, it will initialize it by itself, so simply zero whole array to make KMSAN happy Fail logs: BUG: KMSAN: kernel-usb-infoleak in usb_submit_urb+0x6c1/0x2aa0 drivers/usb/core/urb.c:430

    linuxОперационные системы
    Опубликовано Обновлено
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  11. CVE-2022-49217

    Средний · CVSS 5.7EPSS 0,3%Нет опубликованного исправления

    scsi: pm8001: Fix abort all task initialization

    In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix abort all task initialization In pm80xx_send_abort_all(), the n_elem field of the ccb used is not initialized to 0. This missing initialization sometimes lead to the task completion path seeing the ccb with a non-zero n_elem resulting in the execution of invalid dma_unmap_sg() calls in pm8001_ccb_task_free(), causing a crash such as: [ 197.676341] RIP: 0010:iommu_dma_unmap_sg+0x6d/0x280 [ 197.700204] RSP: 0018:ffff889bbcf89c88 EFLAGS: 00010012 [ 197.705485] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff83d0bda0 [ 197.712687] RDX: 0000000000

    linuxОперационные системы
    Опубликовано Обновлено
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  12. CVE-2022-49216

    Средний · CVSS 5.5EPSS 0,28%Нет опубликованного исправления

    drm/tegra: Fix reference leak in tegra_dsi_ganged_probe

    In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Fix reference leak in tegra_dsi_ganged_probe The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add put_device() call to fix this.

    linuxОперационные системы
    Опубликовано Обновлено
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  13. CVE-2022-49197

    Средний · CVSS 5.5EPSS 0,28%Нет опубликованного исправления

    af_netlink: Fix shift out of bounds in group mask calculation

    In the Linux kernel, the following vulnerability has been resolved: af_netlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlink_recvmsg() fills in the address of the sender. One of the fields is the 32-bit bitfield nl_groups, which carries the multicast group on which the message was received. The least significant bit corresponds to group 1, and therefore the highest group that the field can represent is 32. Above that, the UB sanitizer flags the out-of-bounds shift attempts. Which bits end up being set in such case is implementation defined, but it's either going to be a wrong non-zero value,

    linuxОперационные системы
    Опубликовано Обновлено
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  14. CVE-2022-49196

    Высокий · CVSS 7.8EPSS 0,27%Нет опубликованного исправления

    powerpc/pseries: Fix use after free in remove_phb_dynamic()

    In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix use after free in remove_phb_dynamic() In remove_phb_dynamic() we use &phb->io_resource, after we've called device_unregister(&host_bridge->dev). But the unregister may have freed phb, because pcibios_free_controller_deferred() is the release function for the host_bridge. If there are no outstanding references when we call device_unregister() then phb will be freed out from under us. This has gone mainly unnoticed, but with slub_debug and page_poison enabled it can lead to a crash: PID: 7574 TASK: c0000000d492cb80 CPU: 13 COMMAND: "drmgr" #0

    linuxОперационные системы
    Опубликовано Обновлено
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  15. CVE-2022-49191

    Средний · CVSS 5.5EPSS 0,28%Нет опубликованного исправления

    mxser: fix xmit_buf leak in activate when LSR == 0xff

    In the Linux kernel, the following vulnerability has been resolved: mxser: fix xmit_buf leak in activate when LSR == 0xff When LSR is 0xff in ->activate() (rather unlike), we return an error. Provided ->shutdown() is not called when ->activate() fails, nothing actually frees the buffer in this case. Fix this by properly freeing the buffer in a designated label. We jump there also from the "!info->type" if now too.

    linuxОперационные системы
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  16. CVE-2022-49190

    Средний · CVSS 5.5EPSS 0,27%Нет опубликованного исправления

    kernel/resource: fix kfree() of bootmem memory again

    In the Linux kernel, the following vulnerability has been resolved: kernel/resource: fix kfree() of bootmem memory again Since commit ebff7d8f270d ("mem hotunplug: fix kfree() of bootmem memory"), we could get a resource allocated during boot via alloc_resource(). And it's required to release the resource using free_resource(). Howerver, many people use kfree directly which will result in kernel BUG. In order to fix this without fixing every call site, just leak a couple of bytes in such corner case.

    linuxОперационные системы
    Опубликовано Обновлено
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  17. CVE-2022-49189

    Средний · CVSS 5.5EPSS 0,27%Нет опубликованного исправления

    clk: qcom: clk-rcg2: Update logic to calculate D value for RCG

    In the Linux kernel, the following vulnerability has been resolved: clk: qcom: clk-rcg2: Update logic to calculate D value for RCG The display pixel clock has a requirement on certain newer platforms to support M/N as (2/3) and the final D value calculated results in underflow errors. As the current implementation does not check for D value is within the accepted range for a given M & N value. Update the logic to calculate the final D value based on the range.

    linuxОперационные системы
    Опубликовано Обновлено
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  18. CVE-2022-49185

    Средний · CVSS 5.5EPSS 0,28%Нет опубликованного исправления

    pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe

    In the Linux kernel, the following vulnerability has been resolved: pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe This node pointer is returned by of_parse_phandle() with refcount incremented in this function. Calling of_node_put() to avoid the refcount leak.

    linuxОперационные системы
    Опубликовано Обновлено
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  19. CVE-2022-49178

    Высокий · CVSS 7.8EPSS 0,28%Нет опубликованного исправления

    memstick/mspro_block: fix handling of read-only devices

    In the Linux kernel, the following vulnerability has been resolved: memstick/mspro_block: fix handling of read-only devices Use set_disk_ro to propagate the read-only state to the block layer instead of checking for it in ->open and leaking a reference in case of a read-only device.

    linuxОперационные системы
    Опубликовано Обновлено
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  20. CVE-2022-49172

    Высокий · CVSS 7.8EPSS 0,27%Нет опубликованного исправления

    parisc: Fix non-access data TLB cache flush faults

    In the Linux kernel, the following vulnerability has been resolved: parisc: Fix non-access data TLB cache flush faults When a page is not present, we get non-access data TLB faults from the fdc and fic instructions in flush_user_dcache_range_asm and flush_user_icache_range_asm. When these occur, the cache line is not invalidated and potentially we get memory corruption. The problem was hidden by the nullification of the flush instructions. These faults also affect performance. With pa8800/pa8900 processors, there will be 32 faults per 4 KB page since the cache line is 128 bytes. There will be more faults with earlier processors. The prob

    linuxОперационные системы
    Опубликовано Обновлено
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