High 7.8Published Jun 25, 2026

CVE-2026-53156nvmem: core: fix use-after-free bugs in error paths

Updated under an hour ago (Oct 27, 2026, 1:40 AM ET)

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Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from e888d445ac33a5b0288d670ecd970908b13f07cd before 6cdcf0d16c80900f42d60252480cd131c1a83d23; from e888d445ac33a5b0288d670ecd970908b13f07cd before e0d38bf47a72da2f02c9fa6f752cd66d977cd7f7; from e888d445ac33a5b0288d670ecd970908b13f07cd before cb85ef5a227b3662b88f4d849a1aad43bfe7f5ae; from e888d445ac33a5b0288d670ecd970908b13f07cd before 40e2a459c0dd1333b2343831480a0ad80dc07614; from e888d445ac33a5b0288d670ecd970908b13f07cd before 5b6b6fc491899d583eaa75344e094796ae9b530b	CNA record
linux linux_kernel linux:linux_kernel	from 4.20 before 6.12.94; from 6.13 before 6.18.36; from 6.19 before 7.0.13; 7.1; 7.1; 7.1; 7.1; 7.1; and 2 more ranges	NVD

References

References

https://git.kernel.org/stable/c/6cdcf0d16c80900f42d60252480cd131c1a83d23
https://git.kernel.org/stable/c/e0d38bf47a72da2f02c9fa6f752cd66d977cd7f7	patch
https://git.kernel.org/stable/c/cb85ef5a227b3662b88f4d849a1aad43bfe7f5ae	patch
https://git.kernel.org/stable/c/40e2a459c0dd1333b2343831480a0ad80dc07614	patch
https://git.kernel.org/stable/c/5b6b6fc491899d583eaa75344e094796ae9b530b	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.