CVE-2026-74399
CVE CVE-2026-74399EUVD EUVD-2026-59546Published 2026-08-15T05:59:10.000ZLast changed 2026-08-17T05:18:39.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: evm: terminate and bound the evm_xattrs read buffer evm_read_xattrs() allocates size + 1 bytes, fills them from the list of enabled xattrs, and then passes strlen(temp) to simple_read_from_buffer(). When no configured xattrs are enabled, the fill loop stores nothing and temp[0] remains uninitialized, so strlen() reads beyond initialized memory. Explicitly terminate the buffer after allocation, use snprintf() for each formatted line, and pass the accumulated length, without risk of truncation, to simple_read_from_buffer().
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 5.15.212; fa516b66a1bfce1d72f1620c54bdfebc493000d1 <8df81954d22a653a8b01d46692cd56f71137269b; patch: 7.1.5; patch: 7.2; fa516b66a1bfce1d72f1620c54bdfebc493000d1 <11143a19f5b8dc8f414deab87571134f9f447313; fa516b66a1bfce1d72f1620c54bdfebc493000d1 <12ad52dc45a0c8c9d25e85b4a84201de4c5420ed; fa516b66a1bfce1d72f1620c54bdfebc493000d1 <38b7d63b23aa9d2ddde7688040e9426d32be4065; 4.18; patch: 6.12.97; patch: 6.1.178; patch: 6.18.40; fa516b66a1bfce1d72f1620c54bdfebc493000d1 <a36cbfb85f26e6c6fb6529b1a364331b94dc88f3; patch: 6.6.145; patch: 0; fa516b66a1bfce1d72f1620c54bdfebc493000d1 <0b9f8282b40af4a99d6243d2cb939d14ff36b049; fa516b66a1bfce1d72f1620c54bdfebc493000d1 <a0f64cf8bfcb39e533d9e27aeb763a8d81b7f39d
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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