Race Condition The advisory has been revoked - it doesn't affect any version of package rv (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL10-RV-16185566
- published24 Apr 2026
- disclosed22 Apr 2026
Introduced: 22 Apr 2026
CVE-2026-31516 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rv package and not the rv package as distributed by RHEL.
In the Linux kernel, the following vulnerability has been resolved:
xfrm: prevent policy_hthresh.work from racing with netns teardown
A XFRM_MSG_NEWSPDINFO request can queue the per-net work item policy_hthresh.work onto the system workqueue.
The queued callback, xfrm_hash_rebuild(), retrieves the enclosing struct net via container_of(). If the net namespace is torn down before that work runs, the associated struct net may already have been freed, and xfrm_hash_rebuild() may then dereference stale memory.
xfrm_policy_fini() already flushes policy_hash_work during teardown, but it does not synchronize policy_hthresh.work.
Synchronize policy_hthresh.work in xfrm_policy_fini() as well, so the queued work cannot outlive the net namespace teardown and access a freed struct net.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2460720
- https://access.redhat.com/security/cve/CVE-2026-31516
- https://git.kernel.org/stable/c/29fe3a61bcdce398ee3955101c39f89c01a8a77e
- https://git.kernel.org/stable/c/4e2e77843fef473ef47e322d52436d8308582a96
- https://git.kernel.org/stable/c/56ea2257b83ee29a543f158159e3d1abc1e3e4fe
- https://git.kernel.org/stable/c/8854e9367465d784046362698731c1111e3b39b8