CVE-2022-41222
HIGHCVSS 7/10EPSS 0.44%
Last modified
CVE-2022-41222 is a high-severity vulnerability rated 7/10 on the CVSS scale. mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
Description
mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.0, < 5.4.211 |
| Linux | Linux Kernel | >= 5.5, < 5.10.137 |
| Linux | Linux Kernel | >= 5.11, < 5.12.18 |
| Linux | Linux Kernel | >= 5.13, < 5.13.3 |
| Debian | Debian Linux | 10.0 |
| Netapp | Hci Baseboard Management Controller | h300s |
| Netapp | Hci Baseboard Management Controller | h410c |
| Netapp | Hci Baseboard Management Controller | h410s |
| Netapp | Hci Baseboard Management Controller | h500s |
| Netapp | Hci Baseboard Management Controller | h700s |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Canonical | Ubuntu Linux | 22.04 |
References
- http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.htmlPatch, Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2347Exploit, Issue Tracking, Mailing List, Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3Release Notes, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230214-0008/Third Party Advisory
- http://packetstormsecurity.com/files/168466/Linux-Stable-5.4-5.10-Use-After-Free-Race-Condition.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/171005/Kernel-Live-Patch-Security-Notice-LNS-0091-1.htmlPatch, Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2347Exploit, Issue Tracking, Mailing List, Patch, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3Release Notes, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230214-0008/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-41222?
mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.
How severe is CVE-2022-41222?
CVE-2022-41222 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.
How do I fix CVE-2022-41222?
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-2022-41222?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST