CVE-2024-26764

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 < 337b543e274fe7a8f47df3c8293cc6686ffa620faffected
LinuxLinux04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 < b4eea7a05ee0ab5ab0514421e6ba8c5d249cf942affected
LinuxLinux04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 < ea1cd64d59f22d6d13f367d62ec6e27b9344695faffected
LinuxLinux04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 < d7b6fa97ec894edd02f64b83e5e72e1aa352f353affected
LinuxLinux04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 < 18f614369def2a11a52f569fe0f910b199d13487affected
LinuxLinux04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 < e7e23fc5d5fe422827c9a43ecb579448f73876c7affected
LinuxLinux04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 < 1dc7d74fe456944a9b1c57bd776280249f441ac6affected
LinuxLinux04b2fa9f8f36ec6fb6fd1c9dc9df6fff0cd27323 < b820de741ae48ccf50dd95e297889c286ff4f760affected
LinuxLinux4.1affected
LinuxLinux0 < 4.1unaffected
LinuxLinux4.19.308 <= 4.19.*unaffected
LinuxLinux5.4.270 <= 5.4.*unaffected
LinuxLinux5.10.211 <= 5.10.*unaffected
LinuxLinux5.15.150 <= 5.15.*unaffected
LinuxLinux6.1.80 <= 6.1.*unaffected
LinuxLinux6.6.19 <= 6.6.*unaffected
LinuxLinux6.7.7 <= 6.7.*unaffected
LinuxLinux6.8 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References