Use After Free in Linux

CVE-2024-44985

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UAF in ip6_xmit() If skb_expand_head() returns NULL, skb has been freed and the associated dst/idev could also have been freed. We must use rcu_read_lock() to prevent a possible UAF.

Vulnerability class: Use-After-Free

EPSS: 0.009 (56.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Linux — versions 81d626b00bdba16504eeae9cc891b18e83a9471a, ee6b1db17f8287b615448488fc37f42bcfe9ece6, 0c9f227bee11910a49e1d159abe102d06e3745d5
  • Linux Linux_kernel — versions 6.11

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-44985?
CVE-2024-44985 is a critical-severity vulnerability in Linux, classified under Use After Free. CVSS score: 9.8/10. Published 2024-09-04.
How severe is CVE-2024-44985?
Critical severity. CVSS v3 base score is 9.8 out of 10.