Bug 2176035 (CVE-2023-1476)
| Summary: | CVE-2023-1476 kpatch: mm/mremap.c: incomplete fix for CVE-2022-41222 | ||
|---|---|---|---|
| Product: | [Other] Security Response | Reporter: | Alex <allarkin> |
| Component: | vulnerability | Assignee: | Joe Lawrence <joe.lawrence> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | CC: | bhu, joe.lawrence, jpoimboe, kpatch-maint, rhandlin, rkeshri, ycote |
| Target Milestone: | --- | Keywords: | Security, Triaged |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Kernel 5.14-rc1 | Doc Type: | No Doc Update |
| Doc Text: |
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-04-05 20:39:24 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2176036, 2176037 | ||
| Bug Blocks: | 2128683 | ||
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Description
Alex
2023-03-07 08:44:38 UTC
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:1659 https://access.redhat.com/errata/RHSA-2023:1659 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2023-1476 |