CVE-2024-56767dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset
- 5.5MediumCVSS base score
- 0.22%Exploitation in 30 daysEPSS · top 88% 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: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which will lead to a null pointer dereference. For example, the len input is error, or the atchan->free_descs_list is empty and memory is exhausted. Therefore, add check to avoid this.
Timeline
ID reserved
By Linux
- 8 days later
· 8 days later
Published
- 16 months later
· 16 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 |
|---|---|---|---|
| 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)
- 0.22% · top 88% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 – < 3d229600c54e9e0909080ecaf1aab0642aefa5f0
- affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 – < ed1a8aaa344522c0c349ac9042db27ad130ef913
- affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 – < 8d364597de9ce2a5f52714224bfe6c2e7a29b303
- affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 – < fdba6d5e455388377ec7e82a5913ddfcc7edd93b
- affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 – < e658f1c133b854b2ae799147301d82dddb8f3162
- affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 – < 54376d8d26596f98ed7432a788314bb9154bf3e3
- affected b206d9a23ac71cb905f5fb6e0cd813406f89b678 – < c43ec96e8d34399bd9dab2f2dc316b904892133f
- affected 4.2
- unaffected < 4.2
- unaffected 5.4.289 – ≤ 5.4.*
- unaffected 5.10.233 – ≤ 5.10.*
- unaffected 5.15.176 – ≤ 5.15.*
- unaffected 6.1.123 – ≤ 6.1.*
- unaffected 6.6.69 – ≤ 6.6.*
- unaffected 6.12.8 – ≤ 6.12.*
- unaffected 6.13 – ≤ *
References
References9
- https://git.kernel.org/stable/c/3d229600c54e9e0909080ecaf1aab0642aefa5f0 (opens in a new tab)
- https://git.kernel.org/stable/c/ed1a8aaa344522c0c349ac9042db27ad130ef913 (opens in a new tab)
- https://git.kernel.org/stable/c/8d364597de9ce2a5f52714224bfe6c2e7a29b303 (opens in a new tab)
- https://git.kernel.org/stable/c/fdba6d5e455388377ec7e82a5913ddfcc7edd93b (opens in a new tab)
- https://git.kernel.org/stable/c/e658f1c133b854b2ae799147301d82dddb8f3162 (opens in a new tab)
- https://git.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3 (opens in a new tab)
- https://git.kernel.org/stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133f (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.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-2024-53410 (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-2024-56767)Record last updated .