drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference (Linux Linux)

CVE-2024-38548
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.25 % · percentile 16 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference In cdns_mhdp_atomic_enable(), the return value of drm_mode_duplicate() is assigned to mhdp_state->current_mode, and there is a dereference of it in drm_mode_set_name(), which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Fix this bug add a check of mhdp_state->current_mode.

Weaknesses (CWE)

  • CWE-476 — NULL Pointer Dereference

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b < 85d1a27402f81f2e04b0e67d20f749c2a14edbb3 ; affected fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b < 89788cd9824c28ffcdea40232c458233353d1896 ; affected fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b < ca53b7efd4ba6ae92fd2b3085cb099c745e96965 ; affected fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b < dcf53e6103b26e7458be71491d0641f49fbd5840 ; affected fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b < 32fb2ef124c3301656ac6c789a2ef35ef69a66da ; affected fb43aa0acdfd600c75b8c877bdf9f6e9893ffc9b < 47889711da20be9b43e1e136e5cb68df37cbcc79
Linux · Linuxaffected 5.10 ; unaffected 0 < 5.10 ; unaffected 5.10.219 ≤ 5.10.* ; unaffected 5.15.161 ≤ 5.15.* ; unaffected 6.1.93 ≤ 6.1.* ; unaffected 6.6.33 ≤ 6.6.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD