Riskcovery

CVE-2023-39189

Kernel: netfilter: nftables out-of-bounds read in nf_osf_match_one()

State
Published
Severity
5.1 Medium
Published
Oct 9, 2023
Updated
Oct 14, 2026
Reserved
Jul 25, 2023

Read the record on cve.org

Description

A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.

Scores

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

Weaknesses

Affected Products

ProductVersions
Red Hat Enterprise Linux 8Red Hat
  • 0:4.18.0-553.rt7.342.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat
  • 0:4.18.0-553.el8_10 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:5.14.0-427.13.1.el9_4 and laterNot affected
Red Hat Enterprise Linux 9Red Hat
  • 0:5.14.0-427.13.1.el9_4 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 9Red Hat

          References

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