CVE-2026-80791
CVE CVE-2026-80791EUVD EUVD-2026-71434Published 2026-09-04T15:13:03.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: zero the AUTH_RECEIVE response buffer nvmet_execute_auth_receive() allocates the response buffer with kmalloc() sized by the host-supplied AUTH_RECEIVE allocation length, but the DH-HMAC-CHAP builders write only a fixed-size message into it. The full allocation length is then copied to the wire by nvmet_copy_to_sgl(), so a remote initiator receives the bytes past the built message -- up to nearly a page of uninitialized slab -- during the pre-authentication handshake. Allocate the buffer with kzalloc() so the unwritten tail is zeroed before it is sent; conforming responses are unaffected.
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 db1312dd95488b5e6ff362ff66fcf953a46b1821 <b26189d28442183a8b5edb754f4a6918f77ca84e; db1312dd95488b5e6ff362ff66fcf953a46b1821 <8f6363c8d54dde95982f0ab45e77cf57ec0efd62; patch: 6.1.185; patch: 7.2.1; patch: 7.3-rc1; patch: 6.18.47; 6.0; db1312dd95488b5e6ff362ff66fcf953a46b1821 <1d6837d98bf966a041af65de5f78de7409ff83bc; patch: 0; db1312dd95488b5e6ff362ff66fcf953a46b1821 <447b668faa14710f611e714031e3739ac3ec3a4f; patch: 7.1.11; patch: 6.12.106; db1312dd95488b5e6ff362ff66fcf953a46b1821 <3ddcfb013322aa37eaa7a0d344b73079c38dfa21; db1312dd95488b5e6ff362ff66fcf953a46b1821 <dfcf013f77709ebdb282767edc2795a37cab5b57; db1312dd95488b5e6ff362ff66fcf953a46b1821 <2dcc9226203da7275a9c29d20007da278d73d5e9; patch: 6.6.154
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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