Out-of-bounds Read Affecting perf6.12-debuginfo package, versions <1:6.12.111-136.204.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF612DEBUGINFO-20860146
  • published13 Oct 2026
  • disclosed25 Sept 2026

Introduced: 25 Sep 2026

NewCVE-2026-98041  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf6.12-debuginfo to version 1:6.12.111-136.204.amzn2023 or higher.
This issue was patched in ALAS2023-2026-3193.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf6.12-debuginfo package and not the perf6.12-debuginfo 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:

bpf: Don't predict JMP32 pointer vs zero comparisons

Consider the following program:

    r1 = map_value;      /* low 32 bits are zero at runtime */
    r6 = 0xdead000000000000;
    if w1 != 0 goto l1;
l0: r1 += r6;
    r2 = *(u64 *)(r1 + 0);
    exit;
l1: r6 = 0;
    goto l0;

At the moment is_branch_taken() reports the jump as always taken, because it does not distinguish between BPF_JMP and BPF_JMP32 comparisons when processing 'if w1 != 0 ...'.

CVSS Base Scores

version 3.1