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CVE-2026-98873

netfilter: nf_conntrack_expect: zero at allocation time

N/A
Published: October 23, 2026 at 11:37 AM UTC
Updated: October 26, 2026 at 07:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_expect: zero at allocation time There are occasional LLM hints wrt. leaking uninitialized data to userspace via ctnetlink. Just zero at allocation time, expectations are not frequently used these days. Intentionally keeps _init as-is because we could theoretically support re-init, so add the missing exp->dir there.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Vendor states this is fixed in 5.10.271 (unaffected)
Vendor states this is fixed in 5.15.222 (unaffected)
Vendor states this is fixed in 6.1.189 (unaffected)
Vendor states this is fixed in 6.12.111 (unaffected)
Vendor states this is fixed in 6.18.53 (unaffected)
Vendor states this is fixed in 6.6.158 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

Source: cverecord
https://git.kernel.org/stable/c/39cb6ff947c16a576ea68c5f272e634acdcb0085
Source: cverecord
https://git.kernel.org/stable/c/90545aa07a183887e9d72ce573c18e08f62e2c91
Source: cverecord
https://git.kernel.org/stable/c/9c11d7ea5ff4dbe162e79f00188814ef5483c295
Source: cverecord
https://git.kernel.org/stable/c/b7f3ee925aee9f1f547d539bc03c35433c238958
Source: cverecord
https://git.kernel.org/stable/c/824397af7bfe14edad374c64253dae0187ca623d
Source: cverecord
https://git.kernel.org/stable/c/a39ecb856514274c80d0fac4d128dba6b266a8ed
Source: cverecord
https://git.kernel.org/stable/c/241ccd2fed9051db443aadce248fc0ab30f55e97

Quick Info

StatusRECEIVED

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