SB20250620100 - Reachable assertion in Linux kernel jbd2
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620100
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Reachable assertion (CVE-ID: CVE-2022-50126)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to reachable assertion within the jbd2_journal_dirty_metadata() function in fs/jbd2/transaction.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0f61c6dc4b714be9d79cf0782ca02ba01c1b7ac3
- https://git.kernel.org/stable/c/4a734f0869f970b8a9b65062ea40b09a5da9dba8
- https://git.kernel.org/stable/c/6073389db83b903678a0920554fa19f5bdc51c48
- https://git.kernel.org/stable/c/731c1662d838fe954c6759e3ee43229b0d928fe4
- https://git.kernel.org/stable/c/ddd896792e1718cb84c96f3e618270589b6886dc
- https://git.kernel.org/stable/c/e62f79827784f56499a50ea2e893c98317b5407b
- https://git.kernel.org/stable/c/f7161d0da975adc234161cd0641d0e484f5ce375
- https://git.kernel.org/stable/c/fa5b65d39332fef7a11ae99cb1f0696012a61527
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.211