CVE Explorer
CVE-2026-44710
pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, src/device.c passed the return values of udisks_drive_get_serial(), udisks_drive_get_vendor(), and udisks_drive_get_model() directly to strcmp() without NULL checks. The GIO/UDisks API documentation states these accessors can return NULL for devices that do not expose the corresponding field. Passing NULL to strcmp() is undefined behaviour (typically a SIGSEGV). This vulnerability is fixed in 0.8.7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"pam_usb","vendor":"mcdope","versions":[{"status":"affected","version":"< 0.8.7"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:d5919b992c9af3fa34a6ccec1bce8d9c9bd405198596ad6845f94ff625f93c10 · sha256:60fc3fe60f4d3e3e… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"PHYSICAL","availabilityImpact":"HIGH","baseScore":4.6,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:d5919b992c9af3fa34a6ccec1bce8d9c9bd405198596ad6845f94ff625f93c10 · sha256:60fc3fe60f4d3e3e… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:d5919b992c9af3fa34a6ccec1bce8d9c9bd405198596ad6845f94ff625f93c10 · sha256:60fc3fe60f4d3e3e… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/mcdope/pam_usb/security/advisories/GHSA-j8cq-2gv6-gfwf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mcdope/pam_usb/security/advisories/GHSA-j8cq-2gv6-gfwf"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d5919b992c9af3fa34a6ccec1bce8d9c9bd405198596ad6845f94ff625f93c10 · sha256:60fc3fe60f4d3e3e… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.