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PUBLISHED

CVE-2024-26764

fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio

Reserved:2024-02-19
Published:2024-04-03
Updated:2024-04-03

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.

Product status

Default status
unaffected

1da177e4c3f4 before 337b543e274f
affected

1da177e4c3f4 before b4eea7a05ee0
affected

1da177e4c3f4 before ea1cd64d59f2
affected

1da177e4c3f4 before d7b6fa97ec89
affected

1da177e4c3f4 before 18f614369def
affected

1da177e4c3f4 before e7e23fc5d5fe
affected

1da177e4c3f4 before 1dc7d74fe456
affected

1da177e4c3f4 before b820de741ae4
affected

Default status
affected

4.19.308
unaffected

5.4.270
unaffected

5.10.211
unaffected

5.15.150
unaffected

6.1.80
unaffected

6.6.19
unaffected

6.7.7
unaffected

6.8
unaffected

References

https://git.kernel.org/stable/c/337b543e274fe7a8f47df3c8293cc6686ffa620f

https://git.kernel.org/stable/c/b4eea7a05ee0ab5ab0514421e6ba8c5d249cf942

https://git.kernel.org/stable/c/ea1cd64d59f22d6d13f367d62ec6e27b9344695f

https://git.kernel.org/stable/c/d7b6fa97ec894edd02f64b83e5e72e1aa352f353

https://git.kernel.org/stable/c/18f614369def2a11a52f569fe0f910b199d13487

https://git.kernel.org/stable/c/e7e23fc5d5fe422827c9a43ecb579448f73876c7

https://git.kernel.org/stable/c/1dc7d74fe456944a9b1c57bd776280249f441ac6

https://git.kernel.org/stable/c/b820de741ae48ccf50dd95e297889c286ff4f760

cve.org CVE-2024-26764

nvd.nist.gov CVE-2024-26764

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