Linux Kernel up to 6.19.3 amdgpu amdgpu_cs_parser_bos privilege escalation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Linux Kernel up to 6.19.3. This vulnerability affects the function amdgpu_cs_parser_bos of the component amdgpu. Performing a manipulation results in an unknown weakness.
This vulnerability is reported as CVE-2026-45979. No exploit exists.
It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Linux Kernel up to 6.19.3. This affects the function amdgpu_cs_parser_bos of the component amdgpu. The impact remains unknown. The summary by CVE is:
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: clean up the amdgpu_cs_parser_bos In low memory conditions, kmalloc can fail. In such conditions unlock the mutex for a clean exit. We do not need to amdgpu_bo_list_put as it's been handled in the amdgpu_cs_parser_fini.
The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2026-45979 since 05/13/2026. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/16/2026).
Upgrading to version 6.19.4 eliminates this vulnerability. Applying the patch 0905a1d4a5500ecf11f1c0079098e3a351d22163/f025a2b8d93358467b8e8f4b3a617e88c5f02fab is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privilege escalationCWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Kernel 6.19.4
Patch: 0905a1d4a5500ecf11f1c0079098e3a351d22163/f025a2b8d93358467b8e8f4b3a617e88c5f02fab
Timeline
05/13/2026 CVE reserved05/27/2026 Advisory disclosed
05/27/2026 VulDB entry created
06/16/2026 VulDB entry last update
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2026-45979 (🔒)
GCVE (CVE): GCVE-0-2026-45979
GCVE (VulDB): GCVE-100-366237
Entry
Created: 05/27/2026 17:19Updated: 06/16/2026 10:28
Changes: 05/27/2026 17:19 (58), 06/16/2026 10:28 (10)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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