Description
An issue was discovered in the Linux kernel through 5.17.5. io_rw_init_file in fs/io_uring.c lacks initialization of kiocb->private.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.17.6-1 | — |
| Debian 13 | linux | 5.17.6-1 | — |
| Debian 12 | linux | 5.17.6-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | linux-oem-5.17 | 5.17.0-1011.12 | USN-5471-1 |
| Ubuntu 20.04 LTS | linux-riscv +17 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 5.17.5-1.1 | openSUSE-SU-2024:13704-1, openSUSE-SU-2024:12053-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | kernel | 5.15.37.1-2 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
jprx/CVE-2022-29968 ★ 19 · Apr 19, 2022
Exploit PoC for CVE-2022-29968 by Joseph Ravichandran and Michael Wang
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- USN-5471-1 linux-oem-5.17 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- openSUSE-SU-2024:13704-1 kernel-devel-longterm-6.6.17-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12053-1 kernel-devel-5.17.5-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/torvalds/linux/commit/32452a3eb8b64e01e2be717f518c0be046975b9d
- FEDORA-2022-e9378a3573 vendor-advisory
- FEDORA-2022-a0f65397a3 vendor-advisory
- FEDORA-2022-fd85148be2 vendor-advisory
- https://security.netapp.com/advisory/ntap-20220715-0009/