io_uring: fix incorrect io_kiocb reference in io_link_skb
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 6.12.49, 6.16.9
- 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: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix incorrect io_kiocb reference in io_link_skb In io_link_skb function, there is a bug where prev_notif is incorrectly assigned using 'nd' instead of 'prev_nd'. This causes the context validation check to compare the current notification with itself instead of comparing it with the previous notification. Fix by using the correct prev_nd parameter when obtaining prev_notif.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From 6fe4220912d19152a26ce19713ab232f4263018d · fixed in a89c34babc2e5834aa0905278f26f4dbe4b26b76; From 6fe4220912d19152a26ce19713ab232f4263018d · fixed in 50a98ce1ea694f1ff8e87bc2f8f84096d1736f6a; From 6fe4220912d19152a26ce19713ab232f4263018d · fixed in 2c139a47eff8de24e3350dadb4c9d5e3426db826
- Linux Linux
6.10
- KernelLinux
From 6.10.0 · fixed in 6.12.49; From 6.13.0 · fixed in 6.16.9