CVE-2022-49645
What it is
In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fix shrinker list corruption by madvise IOCTL Calling madvise IOCTL twice on BO causes memory shrinker list corruption and crashes kernel because BO is already on the list and it's added to the list again, while BO should be removed from the list before it's re-added. Fix it.
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-787 · Out-of-bounds write
- Record status
- Modified
Affected
- Linux Kernel < 5.4.207
- Linux Kernel < 5.10.132
- Linux Kernel < 5.15.56
- Linux Kernel < 5.18.13
- Linux Kernel 5.19
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/0581613df7f9a4c5fac096ce1d5fb15b7b994240
- https://git.kernel.org/stable/c/1807d8867402a58b831a7fc16832747ff559a0d1
- https://git.kernel.org/stable/c/393594aad55179eb761af41533d8d1d6eb4543b0
- https://git.kernel.org/stable/c/9fc33eaaa979d112d10fea729edcd2a2e21aa912
- https://git.kernel.org/stable/c/f036392edd9c49090781d8cca26ad6557a63bae4
References
- https://git.kernel.org/stable/c/0581613df7f9a4c5fac096ce1d5fb15b7b994240
- https://git.kernel.org/stable/c/1807d8867402a58b831a7fc16832747ff559a0d1
- https://git.kernel.org/stable/c/393594aad55179eb761af41533d8d1d6eb4543b0
- https://git.kernel.org/stable/c/9fc33eaaa979d112d10fea729edcd2a2e21aa912
- https://git.kernel.org/stable/c/f036392edd9c49090781d8cca26ad6557a63bae4