CVE-2023-52493
What it is
In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Drop chan lock before queuing buffers Ensure read and write locks for the channel are not taken in succession by dropping the read lock from parse_xfer_event() such that a callback given to client can potentially queue buffers and acquire the write lock in that process. Any queueing of buffers should be done without channel read lock acquired as it can result in multiple locks and a soft lockup. [mani: added fixes tag and cc'ed stable]
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-667
- Record status
- Analyzed
Affected
- Linux Kernel < 5.10.210
- Linux Kernel < 5.15.149
- Linux Kernel < 6.1.76
- Linux Kernel < 6.6.15
- Linux Kernel < 6.7.3
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-52493.md and follow it. Check whether this project is affected by CVE-2023-52493. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/01bd694ac2f682fb8017e16148b928482bc8fa4b
- https://git.kernel.org/stable/c/20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e
- https://git.kernel.org/stable/c/3c5ec66b4b3f6816f3a6161538672e389e537690
- https://git.kernel.org/stable/c/6e4c84316e2b70709f0d00c33ba3358d9fc8eece
- https://git.kernel.org/stable/c/b8eff20d87092e14cac976d057cb0aea2f1d0830
- https://git.kernel.org/stable/c/eaefb9464031215d63c0a8a7e2bfaa00736aa17e
- https://git.kernel.org/stable/c/01bd694ac2f682fb8017e16148b928482bc8fa4b
- https://git.kernel.org/stable/c/20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e
- https://git.kernel.org/stable/c/3c5ec66b4b3f6816f3a6161538672e389e537690
- https://git.kernel.org/stable/c/6e4c84316e2b70709f0d00c33ba3358d9fc8eece
References
- https://git.kernel.org/stable/c/01bd694ac2f682fb8017e16148b928482bc8fa4b
- https://git.kernel.org/stable/c/20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e
- https://git.kernel.org/stable/c/3c5ec66b4b3f6816f3a6161538672e389e537690
- https://git.kernel.org/stable/c/6e4c84316e2b70709f0d00c33ba3358d9fc8eece
- https://git.kernel.org/stable/c/b8eff20d87092e14cac976d057cb0aea2f1d0830
- https://git.kernel.org/stable/c/eaefb9464031215d63c0a8a7e2bfaa00736aa17e
- https://git.kernel.org/stable/c/01bd694ac2f682fb8017e16148b928482bc8fa4b
- https://git.kernel.org/stable/c/20a6dea2d1c68d4e03c6bb50bc12e72e226b5c0e
- https://git.kernel.org/stable/c/3c5ec66b4b3f6816f3a6161538672e389e537690
- https://git.kernel.org/stable/c/6e4c84316e2b70709f0d00c33ba3358d9fc8eece
- https://git.kernel.org/stable/c/b8eff20d87092e14cac976d057cb0aea2f1d0830
- https://git.kernel.org/stable/c/eaefb9464031215d63c0a8a7e2bfaa00736aa17e
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html