Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2026-53156: In the Linux kernel, the following vulnerability has been resolved: nvmem: core: fix use-after-free bugs in e

33
Routine
HIGH 7.8WATCHLISTUPGRADE

CVE-2026-53156 is a high-severity flaw (CVSS 7.8) affecting linux kernel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the Linux kernel, the following vulnerability has been resolved: nvmem: core: fix use-after-free bugs in error paths Fix several instances of error paths in which we call __nvmem_device_put() - which may end up freeing the underlying memory and other resources - and then keep on using the nvmem structure. Always put the reference to the nvmem device as the last step before returning the error code.

Why this priority

  • High severity
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score7.8 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.1% (top 98%)
CISA exploited listNo
WeaknessCWE-416
Published2026-06-25
Last modified2026-10-21
Publisher (CNA): kernel.org · Vendor: linux

Share: LinkedIn · X · Reddit

Last updated 2026-10-21 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

linux linux kernel UPGRADE
Affected: >= 4.20 and < 6.12.94 · >= 6.13 and < 6.18.36 · >= 6.19 and < 7.0.13 · 7.1 rc1 · 7.1 rc2 · 7.1 rc3 · 7.1 rc4 · 7.1 rc5
Fixed in: 6.12.94, 6.18.36, 7.0.13
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-53156?

linux kernel: upgrade to 6.12.94, 6.18.36, 7.0.13. Exact commands for each OS are on this page.

Is CVE-2026-53156 being exploited?

CVE-2026-53156 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-53156 affect?

CVE-2026-53156 affects linux kernel. Severity is high (CVSS 7.8). In the Linux kernel, the following vulnerability has been resolved: nvmem: core: fix use-after-free bugs in error paths Fix several instances of error paths in which we call __nvmem_device_put() - which may end up freeing the underlying m

How urgent is CVE-2026-53156?

Priority 33/100. High severity; On your watchlist

Software pages

Linux kernel vulnerabilities

Related CVEs

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.