CVE-2025-68317
io_uring/zctx: check chained notif contexts
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 6.12.58, 6.17.8
- 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
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: io_uring/zctx: check chained notif contexts Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From 6fe4220912d19152a26ce19713ab232f4263018d · fixed in aaafd17d3f4be2c15539359a5b4bfa00237f687f; From 6fe4220912d19152a26ce19713ab232f4263018d · fixed in d664a3ce3a604231a0b144c152a3755d03b18b60; From 6fe4220912d19152a26ce19713ab232f4263018d · fixed in ab3ea6eac5f45669b091309f592c4ea324003053
- Linux Linux
6.10
- KernelLinux
From 6.10.0 · fixed in 6.12.58; From 6.13.0 · fixed in 6.17.8