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Vulnerabilities / CVE-2019-18814

critical

CVE-2019-18814

kernel: use-after-free in aa_audit_rule_init() in security/apparmor/audit.c

Published Modified CWE 416
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, Photon OS. Rated lower by Red Hat (medium), Ubuntu (medium).

Description

An issue was discovered in the Linux kernel through 5.3.9. There is a use-after-free when aa_label_parse() fails in aa_audit_rule_init() in security/apparmor/audit.c.

Affected packages and fixed versions

SourcePackageFixed in
Photon OS 3.0linux, linux-aws, linux-esx and 1 more4.19.84-1.ph3
debian 10linux4.19.131-1
debian 11linux5.7.6-1
debian 12linux5.7.6-1
debian 13linux5.7.6-1
debian 14linux5.7.6-1
debian 9linux-4.194.19.132-1~deb9u2
echolinux5.7.6-1
root.io debian 11rootio-linux5.7.6-1
root.io debian 12rootio-linux5.7.6-1
root.io debian 13rootio-linux5.7.6-1
ubuntu 18.04linux-azure, linux-hwe5.0.0-1014.14~18.04.1 and 1 more
Show all 18 entries from 13 sources
SourcePackageFixed in
Photon OS 3.0linux4.19.84-1.ph3
Photon OS 3.0linux-aws4.19.84-1.ph3
Photon OS 3.0linux-esx4.19.84-1.ph3
Photon OS 3.0linux-secure4.19.84-1.ph3
debian 10linux4.19.131-1
debian 11linux5.7.6-1
debian 12linux5.7.6-1
debian 13linux5.7.6-1
debian 14linux5.7.6-1
debian 9linux-4.194.19.132-1~deb9u2
echolinux5.7.6-1
root.io debian 11rootio-linux5.7.6-1
root.io debian 12rootio-linux5.7.6-1
root.io debian 13rootio-linux5.7.6-1
ubuntu 18.04linux-azure5.0.0-1014.14~18.04.1
ubuntu 18.04linux-hwe5.0.0-23.24~18.04.1
ubuntu 18.04-ESMlinux-azure5.0.0-1014.14~18.04.1
ubuntu 18.04-ESMlinux-hwe5.0.0-23.24~18.04.1

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.