CVE-2023-3773

Kernel: xfrm: out-of-bounds read of xfrma_mtimer_thresh nlattr

State
Published
Severity
5.5 Medium
Published
Jul 25, 2023
Updated
Oct 14, 2026
Reserved
Jul 19, 2023

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Description

A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to cause a 4 byte out-of-bounds read of XFRMA_MTIMER_THRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace.

Scores

CVSSScoreVectorSource
3.15.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nredhat

Weaknesses

Affected Products

ProductVersions
Red Hat Enterprise Linux 9Red Hat
  • 0:5.14.0-362.8.1.el9_3 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:5.14.0-362.8.1.el9_3 and laterNot affected
Red Hat Enterprise Linux 6Red Hat
    Red Hat Enterprise Linux 7Red Hat
      Red Hat Enterprise Linux 7Red Hat
        Red Hat Enterprise Linux 8Red Hat
          Red Hat Enterprise Linux 8Red Hat
            Red Hat Enterprise Linux 9Red Hat

              References

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