# drm/sti: avoid potential dereference of error pointers

CVE record · `CVE-2024-56776`

- **Identifiers:** `CVE-2024-56776`
- **State:** Confirmed
- **Severity:** CVSS 5.5 Medium
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-754](https://cwe.mitre.org/data/definitions/754.html)
- **Tags:** [CWE-754](https://agentprime.io/advisories/tag/cwe-754.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 8 Jan 2025
- **Updated:** 11 May 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 8 Jan 2025, 17:49 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `dd86dc2f9ae1102f46115be1f1422265c15540f1 to before e98ff67f5a68114804607de549c2350d27628fc7` (git)
  - affected: `dd86dc2f9ae1102f46115be1f1422265c15540f1 to before 40725c5fabee804fecce41d4d5c5bae80c45e1c4` (git)
  - affected: `dd86dc2f9ae1102f46115be1f1422265c15540f1 to before 8ab73ac97c0fa528f66eeccd9bb53eb6eb7d20dc` (git)
  - affected: `dd86dc2f9ae1102f46115be1f1422265c15540f1 to before f67786293193cf01ebcc6fdbcbd1587b24f52679` (git)
  - affected: `dd86dc2f9ae1102f46115be1f1422265c15540f1 to before 831214f77037de02afc287eae93ce97f218d8c04` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.6`
  - unaffected: `before 4.6` (semver)
  - unaffected: `5.15.174 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.120 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.64 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.4 to 6.12.*, inclusive` (semver)
  - unaffected: `6.13 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 5.5 Medium, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 10th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 8 Jan 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2024-56776](https://www.cve.org/CVERecord?id=CVE-2024-56776)
- [NVD: CVE-2024-56776](https://nvd.nist.gov/vuln/detail/CVE-2024-56776)

### References from the CNA

- <https://git.kernel.org/stable/c/e98ff67f5a68114804607de549c2350d27628fc7>
- <https://git.kernel.org/stable/c/40725c5fabee804fecce41d4d5c5bae80c45e1c4>
- <https://git.kernel.org/stable/c/8ab73ac97c0fa528f66eeccd9bb53eb6eb7d20dc>
- <https://git.kernel.org/stable/c/f67786293193cf01ebcc6fdbcbd1587b24f52679>
- <https://git.kernel.org/stable/c/831214f77037de02afc287eae93ce97f218d8c04>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2024-56776>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2024-56776/>. Everything for agents: <https://agentprime.io/llms.txt>.