Vulnerability in Linux Kernel
CVE-2022-29582
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Linux Kernel
- Debian Linux — versions 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2022/04/22/3 (Mailing List, Third Party Advisory)
- github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646 (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3 (Mailing List, Vendor Advisory)
- www.openwall.com/lists/oss-security/2022/04/22/4 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5127 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/08/08/3 (mailing-list, Mailing List, Third Party Advisory)
- ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/ (Exploit, Third Party Advisory)
- github.com/Ruia-ruia/CVE-2022-29582-Exploit (Third Party Advisory)
- www.openwall.com/lists/oss-security/2024/04/24/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-29582?
- CVE-2022-29582 is a high-severity vulnerability in Linux Kernel, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-04-22.
- How severe is CVE-2022-29582?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2022-29582 known to be exploited?
- 33 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.