Back
CVE-2024-44985ipv6: prevent possible UAF in ip6_xmit()
- 9.8CriticalCVSS base score
- 0.88%Exploitation in 30 daysEPSS · top 40% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By Linux
- 14 days later
· 14 days later
Published
- 23 months later
· 23 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.88% · top 40% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected 81d626b00bdba16504eeae9cc891b18e83a9471a – < b3a3d5333c13a1be57499581eab4a8fc94d57f36
- affected ee6b1db17f8287b615448488fc37f42bcfe9ece6 – < c47e022011719fc5727bca661d662303180535ba
- affected 0c9f227bee11910a49e1d159abe102d06e3745d5 – < 975f764e96f71616b530e300c1bb2ac0ce0c2596
- affected 0c9f227bee11910a49e1d159abe102d06e3745d5 – < 38a21c026ed2cc7232414cb166efc1923f34af17
- affected 0c9f227bee11910a49e1d159abe102d06e3745d5 – < 124b428fe28064c809e4237b0b38e97200a8a4a8
- affected 0c9f227bee11910a49e1d159abe102d06e3745d5 – < fc88d6c1f2895a5775795d82ec581afdff7661d1
- affected 0c9f227bee11910a49e1d159abe102d06e3745d5 – < 2d5ff7e339d04622d8282661df36151906d0e1c7
- affected 5.15
- unaffected < 5.15
- unaffected 5.15.166 – ≤ 5.15.*
- unaffected 6.1.107 – ≤ 6.1.*
- unaffected 6.6.48 – ≤ 6.6.*
- unaffected 6.10.7 – ≤ 6.10.*
- unaffected 6.11 – ≤ *
References
References8
- https://git.kernel.org/stable/c/b3a3d5333c13a1be57499581eab4a8fc94d57f36 (opens in a new tab)
- https://git.kernel.org/stable/c/c47e022011719fc5727bca661d662303180535ba (opens in a new tab)
- https://git.kernel.org/stable/c/975f764e96f71616b530e300c1bb2ac0ce0c2596 (opens in a new tab)
- https://git.kernel.org/stable/c/38a21c026ed2cc7232414cb166efc1923f34af17 (opens in a new tab)
- https://git.kernel.org/stable/c/124b428fe28064c809e4237b0b38e97200a8a4a8 (opens in a new tab)
- https://git.kernel.org/stable/c/fc88d6c1f2895a5775795d82ec581afdff7661d1 (opens in a new tab)
- https://git.kernel.org/stable/c/2d5ff7e339d04622d8282661df36151906d0e1c7 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-41187 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-44985)Record last updated .