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CVE-2023-5197

medium

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

Vendor / product: Debian — debian linux

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free. We recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.

CVSS
6.6
6.6 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2023-09-27 15:19
Modified: 2026-11-02 23:17
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-11-03 07:33 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

debian / debian_linux 10.0
linux / linux_kernel ≥5.9.0 <5.10.198, ≥5.11 <5.15.134, ≥5.16 <6.1.56, ≥6.2 <6.5.6

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325
Vendor advisory: https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325
Patch / mitigation: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325
Patch / mitigation: https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325
Patch / mitigation: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325
Patch / mitigation: https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-03 07:33 UTC · record ↗

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