CVE-2024-56777: linux
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-56777DEBIAN-CVE-2024-56777
Published 08-01-2025Last modified 11-05-2026
Vulnerability summary
CVE-2024-56777 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.1% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 35 · Related 36DLA-4076-1SUSE-SU-2025:0289-1SUSE-SU-2025:0428-1SUSE-SU-2025:0499-1SUSE-SU-2025:0556-1SUSE-SU-2025:0557-1SUSE-SU-2025:0577-1SUSE-SU-2025:0577-2SUSE-SU-2025:20165-1SUSE-SU-2025:20166-1SUSE-SU-2025:20248-1SUSE-SU-2025:20249-1USN-7379-1USN-7381-1USN-7382-1USN-7387-1USN-7387-2USN-7387-3USN-7388-1USN-7389-1USN-7390-1USN-7407-1USN-7421-1USN-7449-1USN-7449-2USN-7450-1USN-7451-1USN-7452-1USN-7453-1USN-7458-1USN-7459-1USN-7459-2USN-7468-1USN-7523-1USN-7524-1USN-7379-2USN-7380-1
Timeline
- 08-01-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/sti: avoid potential dereference of error pointers in sti_gdp_atomic_check The return value of drm_atomic_get_crtc_state() needs to be checked. To avoid use of error pointer 'crtc_state' in case of the failure.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- 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
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 19-09-2026
19-09-202619-10-2026
EPSS score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu134 products
- linuxAll versions (No fix recorded) | < 5.15.0-135.146 | < 6.8.0-58.60
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1080.87 | < 6.8.0-1027.29
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ dd86dc2f9ae1102f46115be1f1422265c15540f1, < f5804567cf9605d6e5ec46c0bb786f7d50f18c13 | ≥ dd86dc2f9ae1102f46115be1f1422265c15540f1, < b79612ed6bc1a184c45427105c851b5b2d4342ca | ≥ dd86dc2f9ae1102f46115be1f1422265c15540f1, < 997b64c3f4c1827c5cfda8ae7f5d13f78d28b541 | ≥ dd86dc2f9ae1102f46115be1f1422265c15540f1, < 3cf2e7c448e246f7e700c7aa47450d1e27579559 | ≥ dd86dc2f9ae1102f46115be1f1422265c15540f1, < e965e771b069421c233d674c3c8cd8c7f7245f42 | 4.6
- linux_kernel≥ 4.6, < 5.15.174 | ≥ 5.16, < 6.1.120 | ≥ 6.2, < 6.6.64 | ≥ 6.7, < 6.12.4
Debian1 product
- linux< 6.1.123-1 | < 6.12.5-1
3 vendors · 137 products
