CVE-2024-46803: linux NULL Pointer Dereference
Vulnerability summary
CVE-2024-46803 is a high (CVSS 7.8) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 13 · Related 13Timeline
- 27-09-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check debug trap enable before write dbg_ev_file In interrupt context, write dbg_ev_file will be run by work queue. It will cause write dbg_ev_file execution after debug_trap_disable, which will cause NULL pointer access. v2: cancel work "debug_event_workarea" before set dbg_ev_file as NULL.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
0.00 pp
From 0.27% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu98 products
- linux< 6.8.0-50.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1020.22
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508, < e6ea3b8fe398915338147fe54dd2db8155fdafd8 | ≥ 0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508, < 820dcbd38a77bd5fdc4236d521c1c122841227d0 | ≥ 0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508, < 547033b593063eb85bfdf9b25a5f1b8fd1911be2 | 6.5
- linux_kernel< 6.6.50 | ≥ 6.7, < 6.10.9
Debian1 product
- linux< 6.10.9-1
3 vendors · 101 products