SUSE · security update for kernel
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited : upgrade the Red Hat redhat/kernel package to 9.8 when convenient.
Data as of 26 Oct 2026, 08:30 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 9.8
Exploitation evidence
Disclosed: evidence found.
CVE published 8 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade the Red Hat redhat/kernel package to 9.8.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Red Hatredhat/kernelpkg:rpm/redhat/kernelOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A security update is available and should be applied promptly. The update includes fixes for both CVE-2025-39925 and CVE-2025-39979. Systems must be rebooted after applying the update for the fixes to take effect. Refer to the Red Hat advisory RHSA-2025:22865 and the update instructions at https://access.redhat.com/articles/11258 for detailed remediation steps.
Description
A security update has been released for the Linux kernel packages used in Red Hat Enterprise Linux 9 and related distributions. The update addresses two vulnerabilities: CVE-2025-39925, which implements a NETDEV_UNREGISTER notification handler in the CAN J1939 subsystem, and CVE-2025-39979, which fixes a use-after-free (UAF) vulnerability in the mlx5 network driver flow counter release. These vulnerabilities have been rated with moderate severity by Red Hat. The update requires a system reboot to take effect.
References
- access.redhat.com/errata/RHSA-2025:22865 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2400629 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2404109 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_22865.json (opens in a new tab)
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/rhsa-2025_22865.json (opens in a new tab)
- lists.suse.com/pipermail/suse-liberty-linux-updates/2026-April/003136.html (opens in a new tab)
- suse.com/security/cve/CVE-2025-39925/ (opens in a new tab)
- suse.com/security/cve/CVE-2025-39979/ (opens in a new tab)