CVE-2022-49811
What it is
In the Linux kernel, the following vulnerability has been resolved: drbd: use after free in drbd_create_device() The drbd_destroy_connection() frees the "connection" so use the _safe() iterator to prevent a use after free.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, 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: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Analyzed
Affected
- Linux Kernel < 4.14.300
- Linux Kernel < 4.19.267
- Linux Kernel < 5.4.225
- Linux Kernel < 5.10.156
- Linux Kernel < 5.15.80
- Linux Kernel < 6.0.10
- Linux Kernel 6.1
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/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-2022-49811.md and follow it. Check whether this project is affected by CVE-2022-49811. 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/7d93417d596402ddd46bd76c721f205d09d0d025
- https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5
- https://git.kernel.org/stable/c/9ed51414aef6e59e832e2960f10766dce2d5b1a1
- https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f
- https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1
- https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f
- https://git.kernel.org/stable/c/fc1897f16ebcfd22364f2afcc27f53a740f3bc7a
References
- https://git.kernel.org/stable/c/7d93417d596402ddd46bd76c721f205d09d0d025
- https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5
- https://git.kernel.org/stable/c/9ed51414aef6e59e832e2960f10766dce2d5b1a1
- https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f
- https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1
- https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f
- https://git.kernel.org/stable/c/fc1897f16ebcfd22364f2afcc27f53a740f3bc7a