NULL Pointer Dereference Affecting kernel6.18-tools-devel package, versions <1:6.18.39-79.141.amzn2023
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-KERNEL618TOOLSDEVEL-18908377
- published18 Aug 2026
- disclosed25 Jul 2026
Introduced: 25 Jul 2026
NewCVE-2026-64314 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2023 kernel6.18-tools-devel to version 1:6.18.39-79.141.amzn2023 or higher.
This issue was patched in ALAS2023-2026-2045.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel6.18-tools-devel package and not the kernel6.18-tools-devel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
crypto: chacha20poly1305 - validate poly1305 template argument
chachapoly_create() still accepts the compatibility poly1305 parameter in the template name, but it assumes the second template argument is always present and immediately passes it to strcmp().
When the argument is missing, crypto_attr_alg_name() returns an error pointer. Check for that before comparing the name so malformed template instantiations fail with an error instead of dereferencing the error pointer in strcmp().
This matches the surrounding Crypto API template pattern where crypto_attr_alg_name() results are validated before string-specific use.