MEDIUMVulnerability

CVE-2026-54411

Linux-PAM through 1.7.2 contains an observable timing discrepancy (CWE-208) in the pam_userdb module's plaintext-password comparison path in modules/pam_userdb/pam_userdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the plaintext password of a target account by measuring response-timing differences.

Properties

severity
MEDIUM
score
5.9
cve_id
CVE-2026-54411
vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
published_at
2026-06-14T18:17:20.587
last_modified
2026-08-10T12:17:17.103

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Observable Timing Discrepancy

DESCRIBED_BY (1)

[Source]NVD

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