CVE-2023-52788: i915/perf: Fix NULL deref bugs with drm_dbg() calls
Vulnerability summary
CVE-2023-52788 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.6% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 10Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 23-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: i915/perf: Fix NULL deref bugs with drm_dbg() calls When i915 perf interface is not available dereferencing it will lead to NULL dereferences. As returning -ENOTSUPP is pretty clear return when perf interface is not available. [tursulin: added stable tag] (cherry picked from commit 36f27350ff745bd228ab04d7845dfbffc177a889)
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu104 products
- linux< 5.15.0-100.110
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1056.61
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 9b344cf6aea0a69c00e19efdc6e02c6d5aae1a23, < 1566e8be73fd5fa424e88d2a4cffdc34f970f0e1 | ≥ 2fec539112e89255b6a47f566e21d99937fada7b, < 55db76caa782baa4a1bf02296e2773c38a524a3e | ≥ 2fec539112e89255b6a47f566e21d99937fada7b, < bf8e105030083e7b71591cdf437e464bcd8a0c09 | ≥ 2fec539112e89255b6a47f566e21d99937fada7b, < 10f49cdfd5fb342a1a9641930dc040c570694e98 | ≥ 2fec539112e89255b6a47f566e21d99937fada7b, < 471aa951bf1206d3c10d0daa67005b8e4db4ff83 | ≥ 5.15.108, < 5.15.140 | 6.0
- linux_kernel≥ 5.15.108, < 5.15.140 | ≥ 6.0, < 6.1.64 | ≥ 6.2, < 6.5.13 | ≥ 6.6, < 6.6.3
Debian1 product
- linux< 6.1.64-1 | < 6.6.8-1
3 vendors · 107 products