CVE-2024-49923: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags
Vulnerability summary
CVE-2024-49923 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 14.7% 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 26 · Related 28Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 30-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags [WHAT & HOW] "dcn20_validate_apply_pipe_split_flags" dereferences merge, and thus it cannot be a null pointer. Let's pass a valid pointer to avoid null dereference. This fixes 2 FORWARD_NULL issues reported by Coverity.
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.
Ubuntu134 products
- linuxAll versions (No fix recorded) | < 6.8.0-54.56
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1023.25
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 34fe02e7207be635725dcf92dbe7003e11697a5b | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 39a580cd15397e102aaec25986ae5acf492f8930 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 85aa996ecfaa95d1e922867390502d23ce21b905 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 9a05270869f40c89f8d184fe2d37cb86e0d7e5f5 | ≥ 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c, < 5559598742fb4538e4c51c48ef70563c49c2af23 | 4.15
- linux_kernel< 6.10.14 | ≥ 6.11, < 6.11.3
Debian1 product
- linuxAll versions (No fix recorded) | < 6.11.4-1
3 vendors · 137 products
