Medium [CVE-2026-72171] remove failed entries from the device list
This medium-severity Red Hat Linux advisory covers CVE-2026-72171.
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Summary
A flaw was found in the Linux kernel's Memory Technology Device (MTD) subsystem, specifically within the `slram` module. When `register_device()` fails during the allocation of a new `slram_mtdlist` entry, a partially initialized entry can remain on the global device list.
A subsequent cleanup operation may then attempt to dereference or free invalid memory, potentially leading to memory corruption or a system crash (Denial of Service). Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-824. Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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