dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- Fix
- Fixed in 6.12.80, 6.18.21, 6.19.11
- 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
- Exploitation: none
- Automatable: yes
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc() At the end of this function, d is the traversal cursor of flist, but the code completes found instead. This can lead to issues such as NULL pointer dereferences, double completion, or descriptor leaks. Fix this by completing d instead of found in the final list_for_each_entry_safe() loop.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From aa8d18becc0c14aa3eb46d6d1b81450446e11b87 · fixed in e21da2ad8844585040fe4b82be1ad2fe99d40074; From aa8d18becc0c14aa3eb46d6d1b81450446e11b87 · fixed in 82656e8daf8de00935ae91b91bed43f4d6e0d644; From aa8d18becc0c14aa3eb46d6d1b81450446e11b87 · fixed in 0e4f43779d550e559be13a5cdb763bad92c4cc99; From aa8d18becc0c14aa3eb46d6d1b81450446e11b87 · fixed in e1c9866173c5f8521f2d0768547a01508cb9ff27
- Linux Linux
6.8
- KernelLinux
From 6.8.0 · fixed in 6.12.80; From 6.13.0 · fixed in 6.18.21; From 6.19.0 · fixed in 6.19.11