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CVSS: 7.8EPSS: 0%CPEs: 8EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix possible use-after-free issue in ftrace_location() KASAN reports a bug: BUG: KASAN: use-after-free in ftrace_location+0x90/0x120 Read of size 8 at addr ffff888141d40010 by task insmod/424 CPU: 8 PID: 424 Comm: insmod Tainted: G W 6.9.0-rc2+ [...] Call Trace: dump_stack_lvl+0x68/0xa0 print_report+0xcf/0x610 kasan_report+0xb5/0xe0 ftrace_location+0x90/0x120 register_kprobe+0x14b/0xa40 kprobe_init+0x2d/0xff0 [kprobe_example]... • https://git.kernel.org/stable/c/ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b • CWE-416: Use After Free •

CVSS: 7.8EPSS: 0%CPEs: 9EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix use-after-free of timer for log writer thread Patch series "nilfs2: fix log writer related issues". This bug fix series covers three nilfs2 log writer-related issues, including a timer use-after-free issue and potential deadlock issue on unmount, and a potential freeze issue in event synchronization found during their analysis. Details are described in each commit log. This patch (of 3): A use-after-free issue has been reported ... • https://git.kernel.org/stable/c/fdce895ea5dd4e24edf1f4d693827349a4e5b3b4 •

CVSS: 5.3EPSS: 0%CPEs: 9EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfs_detach_log_writer() Syzbot has reported a potential hang in nilfs_detach_log_writer() called during nilfs2 unmount. Analysis revealed that this is because nilfs_segctor_sync(), which synchronizes with the log writer thread, can be called after nilfs_segctor_destroy() terminates that thread, as shown in the call trace below: nilfs_detach_log_writer nilfs_segctor_destroy nilfs_segctor_kill_thread --> Shut d... • https://git.kernel.org/stable/c/911d38be151921a5d152bb55e81fd752384c6830 •

CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/mes: fix use-after-free issue Delete fence fallback timer to fix the ramdom use-after-free issue. v2: move to amdgpu_mes.c En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/amdgpu/mes: soluciona el problema de use-after-free. Elimina el temporizador de reserva de valla para solucionar el problema de use-after-free. v2: pasar a amdgpu_mes.c A flaw was found in the Linux kernel. This issue is due to a possible use... • https://git.kernel.org/stable/c/70b1bf6d9edc8692d241f59a65f073aec6d501de •

CVSS: 4.3EPSS: 0%CPEs: 5EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: epoll: be better about file lifetimes epoll can call out to vfs_poll() with a file pointer that may race with the last 'fput()'. That would make f_count go down to zero, and while the ep->mtx locking means that the resulting file pointer tear-down will be blocked until the poll returns, it means that f_count is already dead, and any use of it won't actually get a reference to the file any more: it's dead regardless. Make sure we have a vali... • https://git.kernel.org/stable/c/cbfd1088e24ec4c1199756a37cb8e4cd0a4b016e •

CVSS: 6.1EPSS: 0%CPEs: 9EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: ecryptfs: Fix buffer size for tag 66 packet The 'TAG 66 Packet Format' description is missing the cipher code and checksum fields that are packed into the message packet. As a result, the buffer allocated for the packet is 3 bytes too small and write_tag_66_packet() will write up to 3 bytes past the end of the buffer. Fix this by increasing the size of the allocation so the whole packet will always fit in the buffer. This fixes the below ka... • https://git.kernel.org/stable/c/dddfa461fc8951f9b5f951c13565b6cac678635a •

CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix potential glock use-after-free on unmount When a DLM lockspace is released and there ares still locks in that lockspace, DLM will unlock those locks automatically. Commit fb6791d100d1b started exploiting this behavior to speed up filesystem unmount: gfs2 would simply free glocks it didn't want to unlock and then release the lockspace. This didn't take the bast callbacks for asynchronous lock contention notifications into account, ... • https://git.kernel.org/stable/c/fb6791d100d1bba20b5cdbc4912e1f7086ec60f8 • CWE-416: Use After Free •

CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: add a proper sanity check for endpoints Syzkaller reports [1] hitting a warning which is caused by presence of a wrong endpoint type at the URB sumbitting stage. While there was a check for a specific 4th endpoint, since it can switch types between bulk and interrupt, other endpoints are trusted implicitly. Similar warning is triggered in a couple of other syzbot issues [2]. Fix the issue by doing a comprehensive check of al... • https://git.kernel.org/stable/c/a84fab3cbfdc427e7d366f1cc844f27b2084c26c •

CVSS: 6.5EPSS: 0%CPEs: 9EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: wifi: ar5523: enable proper endpoint verification Syzkaller reports [1] hitting a warning about an endpoint in use not having an expected type to it. Fix the issue by checking for the existence of all proper endpoints with their according types intact. Sadly, this patch has not been tested on real hardware. [1] Syzkaller report: ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 0 PID: 3643 at drive... • https://git.kernel.org/stable/c/b7d572e1871df06a96a1c9591c71c5494ff6b624 •

CVSS: 5.5EPSS: 0%CPEs: 5EXPL: 0

19 Jun 2024 — In the Linux kernel, the following vulnerability has been resolved: net: fec: remove .ndo_poll_controller to avoid deadlocks There is a deadlock issue found in sungem driver, please refer to the commit ac0a230f719b ("eth: sungem: remove .ndo_poll_controller to avoid deadlocks"). The root cause of the issue is that netpoll is in atomic context and disable_irq() is called by .ndo_poll_controller interface of sungem driver, however, disable_irq() might sleep. After analyzing the implementation of fec_poll_cont... • https://git.kernel.org/stable/c/7f5c6addcdc039c1a7c435857e6284ecac5d97c8 •