CVE-2026-53022

platform/x86: dell-wmi-sysman: bound enumeration string aggregation

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-wmi-sysman: bound enumeration string aggregation populate_enum_data() aggregates firmware-provided value-modifier and possible-value strings into fixed 512-byte struct members. The current code bounds each individual source string but then appends every string and separator with raw strcat() and no remaining-space check. Switch the aggregation loops to a bounded append helper and reject enumeration packages whose combined strings do not fit in the destination buffers. [ij: add include]

Affected products

Linux · Linux

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References

https://git.kernel.org/stable/c/3c34471c26abc52a37f5ad90949e2e4b8027eb14 https://git.kernel.org/stable/c/5a04f9a36930792f6d64e28d43609e158d09b665 https://git.kernel.org/stable/c/75c738d4f27fa18a2a033de153bd40302bde6a66 https://git.kernel.org/stable/c/7b3dc1f764bf24eb99474a5de8173b0b43a8b071 https://git.kernel.org/stable/c/90b118d264845f7aaf539ac49f7c75f1f29590e2 https://git.kernel.org/stable/c/ba0843c1955864401295f7ba3b420afe19f2266d https://git.kernel.org/stable/c/c5683ca4949a514fbe656c6d0d08c4c126e21db9