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CVE-2023-53263

drm/nouveau/disp: fix use-after-free in error handling of nouveau_connector_create

High7.8EPSS 0.16%
Published
Updated
Reserved
Assigned by
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/disp: fix use-after-free in error handling of nouveau_connector_create We can't simply free the connector after calling drm_connector_init on it. We need to clean up the drm side first. It might not fix all regressions from commit 2b5d1c29f6c4 ("drm/nouveau/disp: PIOR DP uses GPIO for HPD, not PMGR AUX interrupts"), but at least it fixes a memory corruption in error handling related to that commit.

Scores

CVSS scores of CVE-2023-53263, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP (enrichment)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.16% · top 95% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

Affected products

  • Linux · Linux

    • affected 95983aea80038539ebc70e41e73e9bb4eabd1a92 – < 3f27451c9f29d5ed00232968680c7838a44dcac7
    • affected 95983aea80038539ebc70e41e73e9bb4eabd1a92 – < 872feeecd08c81d212a52211d212897b8a857544
    • affected 95983aea80038539ebc70e41e73e9bb4eabd1a92 – < 1b254b791d7b7dea6e8adc887fbbd51746d8bb27

  • Linux · Linux

    • affected 6.0
    • unaffected < 6.0
    • unaffected 6.1.47 – ≤ 6.1.*
    • unaffected 6.4.12 – ≤ 6.4.*
    • unaffected 6.5 – ≤ *

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .