CVE-2026-89859
CVE CVE-2026-89859EUVD EUVD-2026-80459Published 2026-09-16T10:31:31.000ZLast changed 2026-09-21T13:15:09.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Zero dport diagnostics buffer to avoid info leak qla2x00_do_dport_diagnostics() allocates the qla_dport_diag response buffer with kmalloc_obj() (non-zeroing) and, on success, copies the full sizeof(*dd) back to user space via sg_copy_from_buffer(). The inbound sg_copy_to_buffer() only fills as many bytes as the user request payload provides, and qla26xx_dport_diagnostics() zeroes only dd->buf. The options and unused[] fields are therefore copied out uninitialized, leaking kernel heap contents to user space. Allocate with kzalloc_obj(), matching qla2x00_do_dport_diagnostics_v2().
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 ec89146215d124c429bff84b498dccdc4919ffa7 <9fc03be982763a131913f84fe73b240ae45bca37; patch: 7.3-rc1; patch: 0; 4.8; ec89146215d124c429bff84b498dccdc4919ffa7 <a152edab3854f01dd2daf3eaf8f32cbabdb3834e; ec89146215d124c429bff84b498dccdc4919ffa7 <d6e2411516bb95e52cb74c9c56b60ad2548a2730; patch: 6.18.53; patch: 7.2.5
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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