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Уязвимости linux · Страница 165

За последние 30 дней в linux опубликовано уязвимостей: 206; в каталоге KEV: 0.

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  1. CVE-2024-35803

    Средний · CVSS 5.5EPSS 0,22%Нет опубликованного исправления

    x86/efistub: Call mixed mode boot services on the firmware's stack

    In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Call mixed mode boot services on the firmware's stack Normally, the EFI stub calls into the EFI boot services using the stack that was live when the stub was entered. According to the UEFI spec, this stack needs to be at least 128k in size - this might seem large but all asynchronous processing and event handling in EFI runs from the same stack and so quite a lot of space may be used in practice. In mixed mode, the situation is a bit different: the bootloader calls the 32-bit EFI stub entry point, which calls the decompressor's 32-bit entry point, where the bo

    linuxОперационные системы
    Опубликовано Обновлено
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  2. CVE-2024-35784

    Средний · CVSS 6.8EPSS 0,17%Нет опубликованного исправления

    btrfs: fix deadlock with fiemap and extent locking

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock with fiemap and extent locking While working on the patchset to remove extent locking I got a lockdep splat with fiemap and pagefaulting with my new extent lock replacement lock. This deadlock exists with our normal code, we just don't have lockdep annotations with the extent locking so we've never noticed it. Since we're copying the fiemap extent to user space on every iteration we have the chance of pagefaulting. Because we hold the extent lock for the entire range we could mkwrite into a range in the file that we have mmap'ed. This would deadlock

    linuxОперационные системы
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  3. CVE-2024-27436

    Средний · CVSS 5.3EPSS 0,62%Нет опубликованного исправления

    ALSA: usb-audio: Stop parsing channels bits when all channels are found.

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Stop parsing channels bits when all channels are found. If a usb audio device sets more bits than the amount of channels it could write outside of the map array.

    linuxОперационные системы
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  4. CVE-2024-27419

    Средний · CVSS 4.7EPSS 0,19%Нет опубликованного исправления

    netrom: Fix data-races around sysctl_net_busy_read

    In the Linux kernel, the following vulnerability has been resolved: netrom: Fix data-races around sysctl_net_busy_read We need to protect the reader reading the sysctl value because the value can be changed concurrently.

    linuxОперационные системы
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  5. CVE-2024-27415

    Высокий · CVSS 8.8EPSS 0,25%Нет опубликованного исправления

    netfilter: bridge: confirm multicast packets before passing them up the stack

    In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: confirm multicast packets before passing them up the stack conntrack nf_confirm logic cannot handle cloned skbs referencing the same nf_conn entry, which will happen for multicast (broadcast) frames on bridges. Example: macvlan0 | br0 / \ ethX ethY ethX (or Y) receives a L2 multicast or broadcast packet containing an IP packet, flow is not yet in conntrack table. 1. skb passes through bridge and fake-ip (br_netfilter)Prerouting. -> skb->_nfct now references a unconfirmed entry 2. skb is broad/mcast packet. bridge no

    linuxОперационные системы
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  6. CVE-2024-27410

    Высокий · CVSS 7.8EPSS 0,26%Нет опубликованного исправления

    wifi: nl80211: reject iftype change with mesh ID change

    In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject iftype change with mesh ID change It's currently possible to change the mesh ID when the interface isn't yet in mesh mode, at the same time as changing it into mesh mode. This leads to an overwrite of data in the wdev->u union for the interface type it currently has, causing cfg80211_change_iface() to do wrong things when switching. We could probably allow setting an interface to mesh while setting the mesh ID at the same time by doing a different order of operations here, but realistically there's no userspace that's going to do this, so just disallo

    linuxОперационные системы
    Опубликовано Обновлено
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  7. CVE-2024-27405

    Высокий · CVSS 7.5EPSS 1,3%Нет опубликованного исправления

    usb: gadget: ncm: Avoid dropping datagrams of properly parsed NTBs

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ncm: Avoid dropping datagrams of properly parsed NTBs It is observed sometimes when tethering is used over NCM with Windows 11 as host, at some instances, the gadget_giveback has one byte appended at the end of a proper NTB. When the NTB is parsed, unwrap call looks for any leftover bytes in SKB provided by u_ether and if there are any pending bytes, it treats them as a separate NTB and parses it. But in case the second NTB (as per unwrap call) is faulty/corrupt, all the datagrams that were parsed properly in the first NTB and saved in rx_list are dropped. Add

    linuxОперационные системы
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  8. CVE-2024-27402

    Средний · CVSS 5.8EPSS 0,22%Нет опубликованного исправления

    phonet/pep: fix racy skb_queue_empty() use

    In the Linux kernel, the following vulnerability has been resolved: phonet/pep: fix racy skb_queue_empty() use The receive queues are protected by their respective spin-lock, not the socket lock. This could lead to skb_peek() unexpectedly returning NULL or a pointer to an already dequeued socket buffer.

    linuxОперационные системы
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  9. CVE-2024-21823

    Высокий · CVSS 7.5EPSS 0,2%Нет опубликованного исправления

    CVE-2024-21823

    Hardware logic with insecure de-synchronization in Intel(R) DSA and Intel(R) IAA for some Intel(R) 4th or 5th generation Xeon(R) processors may allow an authorized user to potentially enable escalation of privilege local access

    linuxОперационные системы
    Опубликовано Обновлено
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  10. CVE-2024-25743

    Высокий · CVSS 7.1EPSS 0,25%Нет опубликованного исправления

    CVE-2024-25743

    In the Linux kernel through 6.9, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES.

    linuxОперационные системы
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  11. CVE-2024-27401

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

    firewire: nosy: ensure user_length is taken into account when fetching packet contents

    In the Linux kernel, the following vulnerability has been resolved: firewire: nosy: ensure user_length is taken into account when fetching packet contents Ensure that packet_buffer_get respects the user_length provided. If the length of the head packet exceeds the user_length, packet_buffer_get will now return 0 to signify to the user that no data were read and a larger buffer size is required. Helps prevent user space overflows.

    linuxОперационные системы
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  12. CVE-2024-27399

    Средний · CVSS 6EPSS 0,3%Нет опубликованного исправления

    Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout There is a race condition between l2cap_chan_timeout() and l2cap_chan_del(). When we use l2cap_chan_del() to delete the channel, the chan->conn will be set to null. But the conn could be dereferenced again in the mutex_lock() of l2cap_chan_timeout(). As a result the null pointer dereference bug will happen. The KASAN report triggered by POC is shown below: [ 472.074580] ================================================================== [ 472.075284] BUG: KASAN: null-ptr-deref in mutex_lock+0x68/0xc0 [ 472.075308

    linuxОперационные системы
    Опубликовано Обновлено
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  13. CVE-2021-34981

    Высокий · CVSS 7.5EPSS 0,2%Нет опубликованного исправления

    Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability

    Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the CMTP module. The issue results from the lack of validating the existence of an object prior to performing further free operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the kernel. Was ZDI-CAN-11977.

    linuxОперационные системы
    Опубликовано Обновлено
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  15. CVE-2022-48702

    Высокий · CVSS 7.8EPSS 0,24%Нет опубликованного исправления

    ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc()

    In the Linux kernel, the following vulnerability has been resolved: ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc() The voice allocator sometimes begins allocating from near the end of the array and then wraps around, however snd_emu10k1_pcm_channel_alloc() accesses the newly allocated voices as if it never wrapped around. This results in out of bounds access if the first voice has a high enough index so that first_voice + requested_voice_count > NUM_G (64). The more voices are requested, the more likely it is for this to occur. This was initially discovered using PipeWire, however it can be reproduced by callin

    linuxОперационные системы
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  16. CVE-2022-48701

    Высокий · CVSS 7.1EPSS 0,24%Нет опубликованного исправления

    ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface()

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface() There may be a bad USB audio device with a USB ID of (0x04fa, 0x4201) and the number of it's interfaces less than 4, an out-of-bounds read bug occurs when parsing the interface descriptor for this device. Fix this by checking the number of interfaces.

    linuxОперационные системы
    Опубликовано Обновлено
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  17. CVE-2024-27388

    Критический · CVSS 9.8EPSS 0,96%Нет опубликованного исправления

    SUNRPC: fix some memleaks in gssx_dec_option_array

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix some memleaks in gssx_dec_option_array The creds and oa->data need to be freed in the error-handling paths after their allocation. So this patch add these deallocations in the corresponding paths.

    linuxОперационные системы
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  18. CVE-2024-27074

    Средний · CVSS 5.5EPSS 0,29%Нет опубликованного исправления

    media: go7007: fix a memleak in go7007_load_encoder

    In the Linux kernel, the following vulnerability has been resolved: media: go7007: fix a memleak in go7007_load_encoder In go7007_load_encoder, bounce(i.e. go->boot_fw), is allocated without a deallocation thereafter. After the following call chain: saa7134_go7007_init |-> go7007_boot_encoder |-> go7007_load_encoder |-> kfree(go) go is freed and thus bounce is leaked.

    linuxОперационные системы
    Опубликовано Обновлено
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  19. CVE-2024-27073

    Высокий · CVSS 7.8EPSS 0,29%Нет опубликованного исправления

    media: ttpci: fix two memleaks in budget_av_attach

    In the Linux kernel, the following vulnerability has been resolved: media: ttpci: fix two memleaks in budget_av_attach When saa7146_register_device and saa7146_vv_init fails, budget_av_attach should free the resources it allocates, like the error-handling of ttpci_budget_init does. Besides, there are two fixme comment refers to such deallocations.

    linuxОперационные системы
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  20. CVE-2024-27072

    Средний · CVSS 5.5EPSS 0,21%Нет опубликованного исправления

    media: usbtv: Remove useless locks in usbtv_video_free()

    In the Linux kernel, the following vulnerability has been resolved: media: usbtv: Remove useless locks in usbtv_video_free() Remove locks calls in usbtv_video_free() because are useless and may led to a deadlock as reported here: https://syzkaller.appspot.com/x/bisect.txt?x=166dc872180000 Also remove usbtv_stop() call since it will be called when unregistering the device. Before 'c838530d230b' this issue would only be noticed if you disconnect while streaming and now it is noticeable even when disconnecting while not streaming. [hverkuil: fix minor spelling mistake in log message]

    linuxОперационные системы
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