CVE-2024-26764

LOW

Linux Kernel < 4.19.308, 4.20.0-6.7.7 DoS via kiocb_set_cancel_fn() Misuse

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio If kiocb_set_cancel_fn() is called for I/O submitted via io_uring, the following kernel warning appears: WARNING: CPU: 3 PID: 368 at fs/aio.c:598 kiocb_set_cancel_fn+0x9c/0xa8 Call trace: kiocb_set_cancel_fn+0x9c/0xa8 ffs_epfile_read_iter+0x144/0x1d0 io_read+0x19c/0x498 io_issue_sqe+0x118/0x27c io_submit_sqes+0x25c/0x5fc __arm64_sys_io_uring_enter+0x104/0xab0 invoke_syscall+0x58/0x11c el0_svc_common+0xb4/0xf4 do_el0_svc+0x2c/0xb0 el0_svc+0x2c/0xa4 el0t_64_sync_handler+0x68/0xb4 el0t_64_sync+0x1a4/0x1a8 Fix this by setting the IOCB_AIO_RW flag for read and write I/O that is submitted by libaio.

Scores

CVSS v3 3.3
EPSS 0.0001
EPSS Percentile 2.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (28)
debian/debian_linux 10.0
linux/Kernel 4.1.0 - 4.19.308linux
linux/Kernel 4.20.0 - 5.4.270linux
linux/Kernel 5.11.0 - 5.15.150linux
linux/Kernel 5.16.0 - 6.1.80linux
linux/Kernel 5.5.0 - 5.10.211linux
linux/Kernel 6.2.0 - 6.6.19linux
linux/Kernel 6.7.0 - 6.7.7linux
Linux/Linux < 4.1
Linux/Linux 04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 - 18f614369def2a11a52f569fe0f910b199d13487
... and 18 more
Published Apr 03, 2024
Tracked Since Feb 18, 2026