CVE-2022-49344
Last modified
CVE-2022-49344 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: af_unix: Fix a data-race in unix_dgram_peer_wake_me(). unix_dgram_poll() calls unix_dgram_peer_wake_me() without `other`'s lock held and check if its receive queue is full. Here we need to use unix_recvq_full_lockless() instead of unix_recvq_full(), otherwise KCSAN will report a data-race.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: af_unix: Fix a data-race in unix_dgram_peer_wake_me(). unix_dgram_poll() calls unix_dgram_peer_wake_me() without `other`'s lock held and check if its receive queue is full. Here we need to use unix_recvq_full_lockless() instead of unix_recvq_full(), otherwise KCSAN will report a data-race.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 3.2.75, < 3.3 | — |
| Linux | Linux Kernel | >= 3.4.111, < 3.5 | — |
| Linux | Linux Kernel | >= 3.10.95, < 3.11 | — |
| Linux | Linux Kernel | >= 3.12.52, < 3.13 | — |
| Linux | Linux Kernel | >= 3.14.59, < 3.15 | — |
| Linux | Linux Kernel | >= 3.18.26, < 3.19 | — |
| Linux | Linux Kernel | >= 4.1.15, < 4.2 | — |
| Linux | Linux Kernel | >= 4.2.8, < 4.3 | — |
| Linux | Linux Kernel | >= 4.3.3, < 4.19.247 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.198 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.122 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.47 | — |
| Linux | Linux Kernel | >= 5.16, < 5.17.15 | — |
| Linux | Linux Kernel | >= 5.18, < 5.18.4 | — |
| Linux | Linux Kernel | 5.19 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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