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Medium severity4.7NVD Advisory· Published Jan 26, 2023· Updated Jun 17, 2026

CVE-2023-0468

CVE-2023-0468

Description

A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

10
  • Linux/Kernel10 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 9 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: <6.1
    • cpe:2.3:o:linux:linux_kernel:6.1:-:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*
    • cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*
    • (no CPE)
    • (no CPE)

Patches

Vulnerability mechanics

References

1

News mentions

0

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