Vulnerability Description
In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.17.3 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2022/04/22/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/08/08/3Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3Mailing ListVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677eMailing ListPatchVendor Advisory
- https://github.com/Ruia-ruia/CVE-2022-29582-ExploitThird Party Advisory
- https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a64PatchThird Party Advisory
- https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/ExploitThird Party Advisory
- https://www.debian.org/security/2022/dsa-5127Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/04/22/3Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/04/22/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/08/08/3Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2024/04/24/3
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3Mailing ListVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677eMailing ListPatchVendor Advisory
FAQ
What is CVE-2022-29582?
CVE-2022-29582 is a vulnerability with a CVSS score of 7.0 (HIGH). In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; howev...
How severe is CVE-2022-29582?
CVE-2022-29582 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-29582?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.