CVE-2026-74487: binfmt_misc: restore write access when removing an entry
binfmtmisc: restore write access when removing an entry
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.157.1-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch 90f601b497d7 - Compensating control
As a mitigation for ETXTBSY continuing until inode eviction, evict/remediate affected inodes from the inode cache (e.g., by restarting the host/service) so the interpreter inode can be reclaimed and writing is restored.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-74487?
CVE-2026-74487 has a severity rating of 10, indicating a critical risk level.
How do I fix CVE-2026-74487?
To address CVE-2026-74487, it is recommended to update the Linux kernel to the latest patched version.
What systems are affected by CVE-2026-74487?
CVE-2026-74487 affects systems running vulnerable versions of the Linux kernel with the binfmt_misc functionality.
What is the impact of CVE-2026-74487?
The impact of CVE-2026-74487 may include unauthorized denial of write access when removing binfmt_misc entries, leading to potential security risks.
When was CVE-2026-74487 published?
CVE-2026-74487 was published on August 15, 2026.