Incorrect Check of Function Return Value The advisory has been revoked - it doesn't affect any version of package perf6.18-debuginfo (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN2023-PERF618DEBUGINFO-16740429
- published18 May 2026
- disclosed6 May 2026
Introduced: 6 May 2026
NewCVE-2026-43124 (opens in a new tab)Amendment
The Amazon-Linux security team deemed this advisory irrelevant for Amazon-Linux:2023.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf6.18-debuginfo package and not the perf6.18-debuginfo package as distributed by Amazon-Linux.
In the Linux kernel, the following vulnerability has been resolved:
pstore: ram_core: fix incorrect success return when vmap() fails
In persistent_ram_vmap(), vmap() may return NULL on failure.
If offset is non-zero, adding offset_in_page(start) causes the function to return a non-NULL pointer even though the mapping failed. persistent_ram_buffer_map() therefore incorrectly returns success.
Subsequent access to prz->buffer may dereference an invalid address and cause crashes.
Add proper NULL checking for vmap() failures.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-43124
- https://git.kernel.org/stable/c/05363abc7625cf18c96e67f50673cd07f11da5e9
- https://git.kernel.org/stable/c/1da904e84de608907662ad8a51ba9c571d61e003
- https://git.kernel.org/stable/c/2c99326dc1c79b7ce3c8dd92929b5ce724ff70eb
- https://git.kernel.org/stable/c/49918dd52615097529811d21ec6074dd02ebe77c
- https://git.kernel.org/stable/c/88d5b28f63c7aac1271784e3b800ed405d1cde75
- https://git.kernel.org/stable/c/8baa234181f632cabacf73e4834a910859e9fcc9
- https://git.kernel.org/stable/c/8d849adfbc3e98417fb541620568db1a759ef441
- https://git.kernel.org/stable/c/d47234840aeb4182ed3ee795c578b1dfa9cbd25b