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Chainguard: linux-desktop-7.2-bootc: security update to 7.2.7-r0

medium Tenable Self-Hosted Container Security Plugin ID 474659

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - In the Linux kernel, the following vulnerability has been resolved: bpf: don't downgrade half-dead scalar
 zero spills to STACK_ZERO states.c:__clean_func_state() can downgrade scalar zero spill to STACK_ZERO in
 the following case: *(u64 *)(r10 - 8) = 0; ... checkpoint ... r1 = *(u32 *)(r10 - 4); ... no reads from
 r10-8 ... Here 4 bytes at r10-8 are dead and verifier changes scalar spill to a combination: 0000pppp (p
 stands for poison). Such a change breaks precision propagation chains. All places that produce STACK_ZERO
 should call bpf_mark_chain_precision() for the zero source. This patch fixes the bug in a simplest way
 possible: avoids converting stack spills of zero to STACK_ZERO. Two smarter approaches are possible: - do
 bpf_mark_chain_precision() from __clean_func_state() - check slot liveness information in
 check_stack_write_fixed_off() I investigated both and the changes required are a bit tricky, hence go with
 a simple fix for the time being. (CVE-2026-98132)

Solution

Update the linux-desktop-7.2-bootc library and its related packages to version 7.2.7-r0 or later.

Plugin Details

Severity: Medium

ID: 474659

Version: Revision 1.1

Type: Local

Published: 10/16/2026

Updated: 10/16/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.68

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-98132

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 9/25/2026

Reference Information

CVE: CVE-2026-98132