CVE-2022-49114
What it is
In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix use after free in fc_exch_abts_resp() fc_exch_release(ep) will decrease the ep's reference count. When the reference count reaches zero, it is freed. But ep is still used in the following code, which will lead to a use after free. Return after the fc_exch_release() call to avoid use after free.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% 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: 0.4% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Linux Kernel < 4.9.311
- Linux Kernel < 4.14.276
- Linux Kernel < 4.19.238
- Linux Kernel < 5.4.189
- Linux Kernel < 5.10.111
- Linux Kernel < 5.15.34
- Linux Kernel < 5.16.20
- Linux Kernel < 5.17.3
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2022-49114.md and follow it. Check whether this project is affected by CVE-2022-49114. 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/1d7effe5fff9d28e45e18ac3a564067c7ddfe898
- https://git.kernel.org/stable/c/271add11994ba1a334859069367e04d2be2ebdd4
- https://git.kernel.org/stable/c/412dd8299b02e4410fe77b8396953c1a8dde183a
- https://git.kernel.org/stable/c/499d198494e77b6533251b9b909baf5c101129cb
- https://git.kernel.org/stable/c/4a131d4ea8b581ac9b01d3a72754db4848be3232
- https://git.kernel.org/stable/c/5cf2ce8967b0d98c8cfa4dc42ef4fcf080f5c836
- https://git.kernel.org/stable/c/6044ad64f41c87382cfeeca281573d1886d80cbe
- https://git.kernel.org/stable/c/87909291762d08fdb60d19069d7a89b5b308d0ef
- https://git.kernel.org/stable/c/f581df412bc45c95176e3c808ee2839c05b2ab0c
References
- https://git.kernel.org/stable/c/1d7effe5fff9d28e45e18ac3a564067c7ddfe898
- https://git.kernel.org/stable/c/271add11994ba1a334859069367e04d2be2ebdd4
- https://git.kernel.org/stable/c/412dd8299b02e4410fe77b8396953c1a8dde183a
- https://git.kernel.org/stable/c/499d198494e77b6533251b9b909baf5c101129cb
- https://git.kernel.org/stable/c/4a131d4ea8b581ac9b01d3a72754db4848be3232
- https://git.kernel.org/stable/c/5cf2ce8967b0d98c8cfa4dc42ef4fcf080f5c836
- https://git.kernel.org/stable/c/6044ad64f41c87382cfeeca281573d1886d80cbe
- https://git.kernel.org/stable/c/87909291762d08fdb60d19069d7a89b5b308d0ef
- https://git.kernel.org/stable/c/f581df412bc45c95176e3c808ee2839c05b2ab0c