Use After Free in Linux
CVE-2024-44986
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in ip6_finish_output2() If skb_expand_head() returns NULL, skb has been freed and associated dst/idev could also have been freed. We need to hold rcu_read_lock() to make sure the dst and associated idev are alive.
Vulnerability class: Use-After-Free
EPSS: 0.002 (14.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions ded37d03440d0ab346a8287cc2ba88b8dc90ceb0, 5.14, 2323690eb05865a657709f4d28eb9538ea97bfc2
- Linux Linux_kernel — versions 6.11
- Debian Debian_linux — versions 11.0
Weakness classification (CWE)
References
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-44986?
- CVE-2024-44986 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 8.1/10. Published 2024-09-04.
- How severe is CVE-2024-44986?
- High severity. CVSS v3 base score is 8.1 out of 10.