CVE-2022-49084qede: confirm skb is allocated before using
- 7.5HighCVSS base score
- 0.68%Exploitation in 30 daysEPSS · top 47% 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: qede: confirm skb is allocated before using qede_build_skb() assumes build_skb() always works and goes straight to skb_reserve(). However, build_skb() can fail under memory pressure. This results in a kernel panic because the skb to reserve is NULL. Add a check in case build_skb() failed to allocate and return NULL. The NULL return is handled correctly in callers to qede_build_skb().
Timeline
ID reserved
By Linux
Published
- 18 months later
· 18 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 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.68% · top 47% of all CVEs (15 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
- affected 8a8633978b842c88fbcfe00d4e5dde96048f630e – < 9648adb1b3ece55c657d3a4f52bfee663b710dfe
- affected 8a8633978b842c88fbcfe00d4e5dde96048f630e – < 034a92c6a81048128fc7b18d278d52438a13902a
- affected 8a8633978b842c88fbcfe00d4e5dde96048f630e – < 8928239e5e2e460d95b8a0b89f61671625e7ece0
- affected 8a8633978b842c88fbcfe00d4e5dde96048f630e – < c9bdce2359b5f4986eb38d1e81865b3586cc20d2
- affected 8a8633978b842c88fbcfe00d4e5dde96048f630e – < b2d6b3db9d1cf80908964036dbe1c52a86b1afb1
- affected 8a8633978b842c88fbcfe00d4e5dde96048f630e – < e1fd0c42acfa22bb34d2ab6a111484f466ab8093
- affected 8a8633978b842c88fbcfe00d4e5dde96048f630e – < 4e910dbe36508654a896d5735b318c0b88172570
- affected 4.18
- unaffected < 4.18
- unaffected 4.19.238 – ≤ 4.19.*
- unaffected 5.4.189 – ≤ 5.4.*
- unaffected 5.10.111 – ≤ 5.10.*
- unaffected 5.15.34 – ≤ 5.15.*
- unaffected 5.16.20 – ≤ 5.16.*
- unaffected 5.17.3 – ≤ 5.17.*
- unaffected 5.18 – ≤ *
References
References7
- https://git.kernel.org/stable/c/9648adb1b3ece55c657d3a4f52bfee663b710dfe (opens in a new tab)
- https://git.kernel.org/stable/c/034a92c6a81048128fc7b18d278d52438a13902a (opens in a new tab)
- https://git.kernel.org/stable/c/8928239e5e2e460d95b8a0b89f61671625e7ece0 (opens in a new tab)
- https://git.kernel.org/stable/c/c9bdce2359b5f4986eb38d1e81865b3586cc20d2 (opens in a new tab)
- https://git.kernel.org/stable/c/b2d6b3db9d1cf80908964036dbe1c52a86b1afb1 (opens in a new tab)
- https://git.kernel.org/stable/c/e1fd0c42acfa22bb34d2ab6a111484f466ab8093 (opens in a new tab)
- https://git.kernel.org/stable/c/4e910dbe36508654a896d5735b318c0b88172570 (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-2022-55120 (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-2022-49084)Record last updated .