CVE-2024-49991: debian debian_linux Use After Free
Vulnerability summary
CVE-2024-49991 is a high (CVSS 7.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 38 · Related 35Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: amdkfd_free_gtt_mem clear the correct pointer Pass pointer reference to amdgpu_bo_unref to clear the correct pointer, otherwise amdgpu_bo_unref clear the local variable, the original pointer not set to NULL, this could cause use-after-free bug.
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 · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
0.00 pp
From 0.27% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu135 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)
Debian2 products
- linux< 6.1.119-1 | < 6.11.4-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ 130e0371b7d454bb4a861253c822b9f911ad5d19, < e7831613cbbcd9058d3658fbcdc5d5884ceb2e0c | ≥ 130e0371b7d454bb4a861253c822b9f911ad5d19, < 30ceb873cc2e97348d9da2265b2d1ddf07f682e1 | ≥ 130e0371b7d454bb4a861253c822b9f911ad5d19, < 71f3240f82987f0f070ea5bed559033de7d4c0e1 | ≥ 130e0371b7d454bb4a861253c822b9f911ad5d19, < 6c9289806591807e4e3be9a23df8ee2069180055 | ≥ 130e0371b7d454bb4a861253c822b9f911ad5d19, < c86ad39140bbcb9dc75a10046c2221f657e8083b | 4.3
- linux_kernel< 6.1.118 | ≥ 6.2, < 6.6.55 | ≥ 6.7, < 6.10.14 | ≥ 6.11, < 6.11.3
3 vendors · 139 products