CVE-2024-56767
dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.2
References 7
git.kernel.org
- stable/c/3d229600c54e9e0909080ecaf1aab0642aefa5f0
- stable/c/ed1a8aaa344522c0c349ac9042db27ad130ef913
- stable/c/8d364597de9ce2a5f52714224bfe6c2e7a29b303
- stable/c/fdba6d5e455388377ec7e82a5913ddfcc7edd93b
- stable/c/e658f1c133b854b2ae799147301d82dddb8f3162
- stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3
- stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133f