CVE-2022-1043
HIGHCVSS 8.8/10EPSS 3.72%
Last modified
CVE-2022-1043 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A flaw was found in the Linux kernel’s io_uring implementation. This flaw allows an attacker with a local account to corrupt system memory, crash the system or escalate privileges.. EPSS estimates a 3.72% chance of exploitation in the next 30 days.
Description
A flaw was found in the Linux kernel’s io_uring implementation. This flaw allows an attacker with a local account to corrupt system memory, crash the system or escalate privileges.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.10.51, < 5.10.61 |
| Linux | Linux Kernel | >= 5.11, < 5.13.13 |
References
- http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/CVE-2022-1043Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1997328Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14Patch, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-362/Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/170834/io_uring-Same-Type-Object-Reuse-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/CVE-2022-1043Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1997328Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/a30f895ad3239f45012e860d4f94c1a388b36d14Patch, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-362/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-1043?
A flaw was found in the Linux kernel’s io_uring implementation. This flaw allows an attacker with a local account to corrupt system memory, crash the system or escalate privileges.
How severe is CVE-2022-1043?
CVE-2022-1043 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.72% probability of exploitation in the next 30 days.
How do I fix CVE-2022-1043?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-1043?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST