Vulnerability Details : CVE-2021-46919
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: fix wq size store permission state
WQ size can only be changed when the device is disabled. Current code
allows change when device is enabled but wq is disabled. Change the check
to detect device state.
Products affected by CVE-2021-46919
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-46919
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-46919
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2024-04-10 |
References for CVE-2021-46919
-
https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281
dmaengine: idxd: fix wq size store permission state - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae
dmaengine: idxd: fix wq size store permission state - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd
dmaengine: idxd: fix wq size store permission state - kernel/git/stable/linux.git - Linux kernel stable treePatch
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