Bug 2294216 (CVE-2024-34027)
| Summary: | CVE-2024-34027 kernel: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock | ||
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| Product: | [Other] Security Response | Reporter: | Avinash Hanwate <ahanwate> |
| Component: | vulnerability | Assignee: | Product Security <prodsec-ir-bot> |
| Status: | NEW --- | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | dfreiber, drow, jburrell, mbenatto, vkumar |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | kernel 5.10.219, kernel 5.15.161, kernel 6.1.93, kernel 6.6.33, kernel 6.9.4, kernel 6.10-rc1 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A vulnerability was found in the Flash-Friendly File System (F2FS) in the Linux kernel, where the reserve_compress_blocks() and release_compress_blocks() functions were not adequately protected by the cp_rwsem lock. This locking deficiency could lead to race conditions, potentially causing data corruption or system instability when multiple processes access these functions concurrently. The issue has been addressed in a kernel update to ensure proper locking and prevent such race conditions.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 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: | |||
| Bug Blocks: | 2294214 | ||
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock The Linux kernel CVE team has assigned CVE-2024-34027 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024062458-CVE-2024-34027-b9ea@gregkh/T