CVE-2024-44985
Medium
Elevated severity or exploit probability.
CVSS base
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.9%
57.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-416
Published 2024-09-04 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2024-09-04 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
Description
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.
Affected
References
- https://git.kernel.org/stable/c/124b428fe28064c809e4237b0b38e97200a8a4a8
- https://git.kernel.org/stable/c/2d5ff7e339d04622d8282661df36151906d0e1c7
- https://git.kernel.org/stable/c/38a21c026ed2cc7232414cb166efc1923f34af17
- https://git.kernel.org/stable/c/975f764e96f71616b530e300c1bb2ac0ce0c2596
- https://git.kernel.org/stable/c/b3a3d5333c13a1be57499581eab4a8fc94d57f36
- https://git.kernel.org/stable/c/c47e022011719fc5727bca661d662303180535ba
- https://git.kernel.org/stable/c/fc88d6c1f2895a5775795d82ec581afdff7661d1
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html