Advisory [CVE-2026-53336] fix hang on unknown types
This security Red Hat Linux advisory covers CVE-2026-53336.
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Summary
In the Linux kernel, the following vulnerability has been resolved: nvmem: layouts: onie-tlv: fix hang on unknown types The EEPROM on my board has a vendor specific entry of type 0x41. When stumbling upon that, this driver hangs in an endless loop.
Fix it by keep incrementing the offset on unknown entries, so the loop will eventually stop. This vulnerability allows a local attacker to trigger a denial of service (DoS) by providing a specially crafted EEPROM (Electrically Erasable Programmable Read-Only Memory) entry with an unknown type.
This can cause the driver to enter an endless loop, making the system unresponsive. Red Hat severity: not rated.
Weakness: CWE-835. 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 9 days 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 9 days 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 9 days ago·verify at source
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