CVE-2022-49385
What it is
In the Linux kernel, the following vulnerability has been resolved: driver: base: fix UAF when driver_attach failed When driver_attach(drv); failed, the driver_private will be freed. But it has been added to the bus, which caused a UAF. To fix it, we need to delete it from the bus when failed.
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
- 0.3% 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
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Analyzed
Affected
- Linux Kernel < 5.4.198
- Linux Kernel < 5.10.122
- Linux Kernel < 5.15.47
- Linux Kernel < 5.17.15
- Linux Kernel < 5.18.4
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
Fix and advisories
- https://git.kernel.org/stable/c/310862e574001a97ad02272bac0fd13f75f42a27
- https://git.kernel.org/stable/c/5389101257828d1913d713d9a40acbe14f5961df
- https://git.kernel.org/stable/c/5d709f58c743166fe1c6914b9de0ae8868600d9b
- https://git.kernel.org/stable/c/823f24f2e329babd0330200d0b74882516fe57f4
- https://git.kernel.org/stable/c/c059665c84feab46b7173d3a1bf36c2fb7f9df86
- https://git.kernel.org/stable/c/cdf1a683a01583bca4b618dd16223cbd6e462e21
References
- https://git.kernel.org/stable/c/310862e574001a97ad02272bac0fd13f75f42a27
- https://git.kernel.org/stable/c/5389101257828d1913d713d9a40acbe14f5961df
- https://git.kernel.org/stable/c/5d709f58c743166fe1c6914b9de0ae8868600d9b
- https://git.kernel.org/stable/c/823f24f2e329babd0330200d0b74882516fe57f4
- https://git.kernel.org/stable/c/c059665c84feab46b7173d3a1bf36c2fb7f9df86
- https://git.kernel.org/stable/c/cdf1a683a01583bca4b618dd16223cbd6e462e21