CVE-2023-52753: drm/amd/display: Avoid NULL dereference of timing generator
Vulnerability summary
CVE-2023-52753 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 15.1% 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 13 · Related 13Timeline
- 21-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereference of timing generator [Why & How] Check whether assigned timing generator is NULL or not before accessing its funcs to prevent NULL dereference.
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 catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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.
Ubuntu115 products
- linuxAll versions (No fix recorded) | < 5.4.0-173.191 | < 5.15.0-100.110
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1120.130 | < 5.15.0-1056.61
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 09909f515032fa80b921fd3118efe66b185d10fd | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < eac3e4760aa12159f7f5475d55a67b7933abc195 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 79b6a90f4f2433312154cd68452b0ba501fa74db | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 4e497f1acd99075b13605b2e7fa0cba721a2cfd9 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 8a06894666e0b462c9316b26ab615cefdd0d676c | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 6d8653b1a7a8dc938b566ae8c4f373b36e792c68 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < df8bc953eed72371e43ca407bd063507f760cf89 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < b1904ed480cee3f9f4036ea0e36d139cb5fee2d6 | 4.15
- linux_kernel< 4.19.300 | ≥ 4.20, < 5.4.262 | ≥ 5.5, < 5.10.202 | ≥ 5.11, < 5.15.140 | ≥ 5.16, < 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 · 118 products
