CVE-2024-50049

Local system crash via unchecked stream encoder

Published Oct 21, 2024 · Updated May 11, 2026

NULL pointer dereference in affected Linux kernels starting at 5.5 allows local users to crash the system during AMD display timing validation. In dc_validate_boot_timing and dc_validate_seamless_boot_timing, the AMD display core dereferences the se stream-encoder pointer before confirming that it is non-NULL. Reachability requires local low-privileged access and the AMD display driver path; the reported consequence is a system crash, not data disclosure.

CVSS severity5.5
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

NULL pointer dereference in affected Linux kernels starting at 5.5 allows local users to crash the system during AMD display timing validation. In dc_validate_boot_timing and dc_validate_seamless_boot_timing, the AMD display core dereferences the se stream-encoder pointer before confirming that it is non-NULL. Reachability requires local low-privileged access and the AMD display driver path; the reported consequence is a system crash, not data disclosure.

The record

CVE
CVE-2024-50049
Published
Oct 21, 2024
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-476
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 21, 2024CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.5
  2. Affected versionversion=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <65b2d49e55fe13ae56da3a7685bdccadca31134a
  3. Affected versionversion=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <97a79933fb08a002ba9400d1a7a5df707ecdb896
  4. Affected versionversion=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <a9b4fd1946678fa0e069e442f3c5a7d3fa446fac
  5. Affected versionversion=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <c643ef59390e49f1dfab35e8ea65f5db5e527d64
  6. Affected versionversion=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <f4149eec960110ffd5bcb161075dd9f1d7773075
  7. Affected versionversion=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <ff599ef6970ee000fa5bc38d02fa5ff5f3fc7575

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.5; version=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <65b2d49e55fe13ae56da3a7685bdccadca31134a; version=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <97a79933fb08a002ba9400d1a7a5df707ecdb896; version=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <a9b4fd1946678fa0e069e442f3c5a7d3fa446fac; version=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <c643ef59390e49f1dfab35e8ea65f5db5e527d64; version=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <f4149eec960110ffd5bcb161075dd9f1d7773075; version=93c2340bdc24b6067a7621e71d4aacac1f85b5f2 <ff599ef6970ee000fa5bc38d02fa5ff5f3fc7575

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo