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  1. CVE-2022-48839

    Hoch · CVSS 7.8EPSS 0,27%Korrektur verfügbar

    net/packet: fix slab-out-of-bounds access in packet_recvmsg()

    In the Linux kernel, the following vulnerability has been resolved: net/packet: fix slab-out-of-bounds access in packet_recvmsg() syzbot found that when an AF_PACKET socket is using PACKET_COPY_THRESH and mmap operations, tpacket_rcv() is queueing skbs with garbage in skb->cb[], triggering a too big copy [1] Presumably, users of af_packet using mmap() already gets correct metadata from the mapped buffer, we can simply make sure to clear 12 bytes that might be copied to user space later. BUG: KASAN: stack-out-of-bounds in memcpy include/linux/fortify-string.h:225 [inline] BUG: KASAN: stack-out-of-bounds in packet_recvmsg+0x56c/0x1150 net/p

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  2. CVE-2022-48838

    Mittel · CVSS 5.5EPSS 0,24%Korrektur verfügbar

    usb: gadget: Fix use-after-free bug by not setting udc->dev.driver

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: Fix use-after-free bug by not setting udc->dev.driver The syzbot fuzzer found a use-after-free bug: BUG: KASAN: use-after-free in dev_uevent+0x712/0x780 drivers/base/core.c:2320 Read of size 8 at addr ffff88802b934098 by task udevd/3689 CPU: 2 PID: 3689 Comm: udevd Not tainted 5.17.0-rc4-syzkaller-00229-g4f12b742eb2b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x8d/0x303

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  3. CVE-2022-48837

    Hoch · CVSS 7.8EPSS 0,26%Korrektur verfügbar

    usb: gadget: rndis: prevent integer overflow in rndis_set_response()

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: rndis: prevent integer overflow in rndis_set_response() If "BufOffset" is very large the "BufOffset + 8" operation can have an integer overflow.

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  4. CVE-2022-48836

    Mittel · CVSS 5.5EPSS 0,24%Korrektur verfügbar

    Input: aiptek - properly check endpoint type

    In the Linux kernel, the following vulnerability has been resolved: Input: aiptek - properly check endpoint type Syzbot reported warning in usb_submit_urb() which is caused by wrong endpoint type. There was a check for the number of endpoints, but not for the type of endpoint. Fix it by replacing old desc.bNumEndpoints check with usb_find_common_endpoints() helper for finding endpoints Fail log: usb 5-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 2 PID: 48 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502 Modules linked in: CPU: 2 PID: 48 Comm: kworker/2:2 Not tainted 5.17.0-rc6-syzkaller-00226-g07e

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  5. CVE-2022-48835

    Mittel · CVSS 5.5EPSS 0,24%Korrektur verfügbar

    scsi: mpt3sas: Page fault in reply q processing

    In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Page fault in reply q processing A page fault was encountered in mpt3sas on a LUN reset error path: [ 145.763216] mpt3sas_cm1: Task abort tm failed: handle(0x0002),timeout(30) tr_method(0x0) smid(3) msix_index(0) [ 145.778932] scsi 1:0:0:0: task abort: FAILED scmd(0x0000000024ba29a2) [ 145.817307] scsi 1:0:0:0: attempting device reset! scmd(0x0000000024ba29a2) [ 145.827253] scsi 1:0:0:0: [sg1] tag#2 CDB: Receive Diagnostic 1c 01 01 ff fc 00 [ 145.837617] scsi target1:0:0: handle(0x0002), sas_address(0x500605b0000272b9), phy(0) [ 145.848598] scsi target

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  6. CVE-2022-48834

    Hoch · CVSS 7.8EPSS 0,26%Korrektur verfügbar

    usb: usbtmc: Fix bug in pipe direction for control transfers

    In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Fix bug in pipe direction for control transfers The syzbot fuzzer reported a minor bug in the usbtmc driver: usb 5-1: BOGUS control dir, pipe 80001e80 doesn't match bRequestType 0 WARNING: CPU: 0 PID: 3813 at drivers/usb/core/urb.c:412 usb_submit_urb+0x13a5/0x1970 drivers/usb/core/urb.c:410 Modules linked in: CPU: 0 PID: 3813 Comm: syz-executor122 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0 ... Call Trace: <TASK> usb_start_wait_urb+0x113/0x530 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_con

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  7. CVE-2022-48833

    Mittel · CVSS 5.5EPSS 0,24%Korrektur verfügbar

    btrfs: skip reserved bytes warning on unmount after log cleanup failure

    In the Linux kernel, the following vulnerability has been resolved: btrfs: skip reserved bytes warning on unmount after log cleanup failure After the recent changes made by commit c2e39305299f01 ("btrfs: clear extent buffer uptodate when we fail to write it") and its followup fix, commit 651740a5024117 ("btrfs: check WRITE_ERR when trying to read an extent buffer"), we can now end up not cleaning up space reservations of log tree extent buffers after a transaction abort happens, as well as not cleaning up still dirty extent buffers. This happens because if writeback for a log tree extent buffer failed, then we have cleared the bit EXTENT_B

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  8. CVE-2022-48808

    Mittel · CVSS 5.5EPSS 0,27%Korrektur verfügbar

    net: dsa: fix panic when DSA master device unbinds on shutdown

    In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix panic when DSA master device unbinds on shutdown Rafael reports that on a system with LX2160A and Marvell DSA switches, if a reboot occurs while the DSA master (dpaa2-eth) is up, the following panic can be seen: systemd-shutdown[1]: Rebooting. Unable to handle kernel paging request at virtual address 00a0000800000041 [00a0000800000041] address between user and kernel address ranges Internal error: Oops: 96000004 [#1] PREEMPT SMP CPU: 6 PID: 1 Comm: systemd-shutdow Not tainted 5.16.5-00042-g8f5585009b24 #32 pc : dsa_slave_netdevice_event+0x130/0x3e4 lr : raw_n

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  9. CVE-2023-52886

    Mittel · CVSS 6.4EPSS 0,33%Korrektur verfügbar

    USB: core: Fix race by not overwriting udev->descriptor in hub_port_init()

    In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix race by not overwriting udev->descriptor in hub_port_init() Syzbot reported an out-of-bounds read in sysfs.c:read_descriptors(): BUG: KASAN: slab-out-of-bounds in read_descriptors+0x263/0x280 drivers/usb/core/sysfs.c:883 Read of size 8 at addr ffff88801e78b8c8 by task udevd/5011 CPU: 0 PID: 5011 Comm: udevd Not tainted 6.4.0-rc6-syzkaller-00195-g40f71e7cd3c6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:10

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  10. CVE-2024-41007

    Hoch · CVSS 7.5EPSS 0,77%Korrektur verfügbar

    tcp: avoid too many retransmit packets

    In the Linux kernel, the following vulnerability has been resolved: tcp: avoid too many retransmit packets If a TCP socket is using TCP_USER_TIMEOUT, and the other peer retracted its window to zero, tcp_retransmit_timer() can retransmit a packet every two jiffies (2 ms for HZ=1000), for about 4 minutes after TCP_USER_TIMEOUT has 'expired'. The fix is to make sure tcp_rtx_probe0_timed_out() takes icsk->icsk_user_timeout into account. Before blamed commit, the socket would not timeout after icsk->icsk_user_timeout, but would use standard exponential backoff for the retransmits. Also worth noting that before commit e89688e3e978 ("net: tcp:

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  11. CVE-2023-52885

    Hoch · CVSS 8.1EPSS 0,56%Korrektur verfügbar

    SUNRPC: Fix UAF in svc_tcp_listen_data_ready()

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix UAF in svc_tcp_listen_data_ready() After the listener svc_sock is freed, and before invoking svc_tcp_accept() for the established child sock, there is a window that the newsock retaining a freed listener svc_sock in sk_user_data which cloning from parent. In the race window, if data is received on the newsock, we will observe use-after-free report in svc_tcp_listen_data_ready(). Reproduce by two tasks: 1. while :; do rpc.nfsd 0 ; rpc.nfsd; done 2. while :; do echo "" | ncat -4 127.0.0.1 2049 ; done KASAN report: ============================================

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  13. CVE-2024-41006

    Mittel · CVSS 5.7EPSS 0,24%Korrektur verfügbar

    netrom: Fix a memory leak in nr_heartbeat_expiry()

    In the Linux kernel, the following vulnerability has been resolved: netrom: Fix a memory leak in nr_heartbeat_expiry() syzbot reported a memory leak in nr_create() [0]. Commit 409db27e3a2e ("netrom: Fix use-after-free of a listening socket.") added sock_hold() to the nr_heartbeat_expiry() function, where a) a socket has a SOCK_DESTROY flag or b) a listening socket has a SOCK_DEAD flag. But in the case "a," when the SOCK_DESTROY flag is set, the file descriptor has already been closed and the nr_release() function has been called. So it makes no sense to hold the reference count because no one will call another nr_destroy_socket() and put

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  14. CVE-2024-41005

    Mittel · CVSS 4.7EPSS 0,19%Korrektur verfügbar

    netpoll: Fix race condition in netpoll_owner_active

    In the Linux kernel, the following vulnerability has been resolved: netpoll: Fix race condition in netpoll_owner_active KCSAN detected a race condition in netpoll: BUG: KCSAN: data-race in net_rx_action / netpoll_send_skb write (marked) to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10: net_rx_action (./include/linux/netpoll.h:90 net/core/dev.c:6712 net/core/dev.c:6822) <snip> read to 0xffff8881164168b0 of 4 bytes by task 1 on cpu 2: netpoll_send_skb (net/core/netpoll.c:319 net/core/netpoll.c:345 net/core/netpoll.c:393) netpoll_send_udp (net/core/netpoll.c:?) <snip> value changed: 0x0000000a -> 0xffffffff This happens because

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  15. CVE-2024-41004

    Mittel · CVSS 5.5EPSS 0,28%Korrektur verfügbar

    tracing: Build event generation tests only as modules

    In the Linux kernel, the following vulnerability has been resolved: tracing: Build event generation tests only as modules The kprobes and synth event generation test modules add events and lock (get a reference) those event file reference in module init function, and unlock and delete it in module exit function. This is because those are designed for playing as modules. If we make those modules as built-in, those events are left locked in the kernel, and never be removed. This causes kprobe event self-test failure as below. [ 97.349708] ------------[ cut here ]------------ [ 97.353453] WARNING: CPU: 3 PID: 1 at kernel/trace/trace_kpro

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  16. CVE-2024-41002

    Mittel · CVSS 6.8EPSS 0,27%Korrektur verfügbar

    crypto: hisilicon/sec - Fix memory leak for sec resource release

    In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec - Fix memory leak for sec resource release The AIV is one of the SEC resources. When releasing resources, it need to release the AIV resources at the same time. Otherwise, memory leakage occurs. The aiv resource release is added to the sec resource release function.

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  17. CVE-2024-41000

    Hoch · CVSS 7.8EPSS 0,3%Korrektur verfügbar

    block/ioctl: prefer different overflow check

    In the Linux kernel, the following vulnerability has been resolved: block/ioctl: prefer different overflow check Running syzkaller with the newly reintroduced signed integer overflow sanitizer shows this report: [ 62.982337] ------------[ cut here ]------------ [ 62.985692] cgroup: Invalid name [ 62.986211] UBSAN: signed-integer-overflow in ../block/ioctl.c:36:46 [ 62.989370] 9pnet_fd: p9_fd_create_tcp (7343): problem connecting socket to 127.0.0.1 [ 62.992992] 9223372036854775807 + 4095 cannot be represented in type 'long long' [ 62.997827] 9pnet_fd: p9_fd_create_tcp (7345): problem connecting socket to 127.0.0.1 [ 62.999369

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  18. CVE-2024-40995

    Mittel · CVSS 6.8EPSS 0,29%Korrektur verfügbar

    net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() syzbot found hanging tasks waiting on rtnl_lock [1] A reproducer is available in the syzbot bug. When a request to add multiple actions with the same index is sent, the second request will block forever on the first request. This holds rtnl_lock, and causes tasks to hang. Return -EAGAIN to prevent infinite looping, while keeping documented behavior. [1] INFO: task kworker/1:0:5088 blocked for more than 143 seconds. Not tainted 6.9.0-rc4-syzkaller-00173-g3cdb45594619 #0 "echo 0 > /proc/sys/kernel/hu

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  19. CVE-2024-40994

    Hoch · CVSS 7.8EPSS 0,28%Korrektur verfügbar

    ptp: fix integer overflow in max_vclocks_store

    In the Linux kernel, the following vulnerability has been resolved: ptp: fix integer overflow in max_vclocks_store On 32bit systems, the "4 * max" multiply can overflow. Use kcalloc() to do the allocation to prevent this.

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  20. CVE-2024-40990

    Hoch · CVSS 7.8EPSS 0,28%Korrektur verfügbar

    RDMA/mlx5: Add check for srq max_sge attribute

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Add check for srq max_sge attribute max_sge attribute is passed by the user, and is inserted and used unchecked, so verify that the value doesn't exceed maximum allowed value before using it.

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