Red Hat Security Advisory: kernel security update
Affects Red HatSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 25 Oct 2026, 19:02 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 13 May 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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Product Security Red Hat | Affected
| Fixed in– |
AI-suggested
An official security update is available from Red Hat for Red Hat Enterprise Linux 9 and related variants. Users should apply the kernel update as provided in the Red Hat advisory RHSA-2025:7423 and reboot their systems to ensure the fixes take effect. Refer to https://access.redhat.com/articles/11258 for detailed update instructions.
Description
A security update for the Linux kernel in Red Hat Enterprise Linux 9 addresses multiple high-severity vulnerabilities including out-of-bounds reads and writes, memory corruption, and unsafe memory allocation. The update fixes issues in various kernel components such as io_uring, Qualcomm SoC info, TPM event logging, RTC NVMEM read, NVMe TCP, and iSCSI IBFT. The update requires a system reboot to take effect.
References
- access.redhat.com/errata/RHSA-2025:7423 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2338813 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2348565 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2348590 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2350364 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2356593 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2356908 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_7423.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_7423.json (opens in a new tab)
- lists.suse.com/pipermail/suse-liberty-linux-updates/2025-June/001566.html (opens in a new tab)
- suse.com/security/cve/CVE-2024-58005/ (opens in a new tab)
- suse.com/security/cve/CVE-2024-58007/ (opens in a new tab)
- suse.com/security/cve/CVE-2024-58069/ (opens in a new tab)
- suse.com/security/cve/CVE-2025-21633/ (opens in a new tab)
- suse.com/security/cve/CVE-2025-21927/ (opens in a new tab)
- suse.com/security/cve/CVE-2025-21993/ (opens in a new tab)