Vulnerability Details : CVE-2022-34494
rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2022-34494
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 7 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-34494
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
[email protected] |
|
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
|
[email protected] |
CWE ids for CVE-2022-34494
-
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.Assigned by: [email protected] (Primary)
References for CVE-2022-34494
-
https://github.com/torvalds/linux/commit/1680939e9ecf7764fba8689cfb3429c2fe2bb23c
Patch;Third Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
Patch;Vendor Advisory
Products affected by CVE-2022-34494
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*