CVE-2022-49336
What it is
In the Linux kernel, the following vulnerability has been resolved: drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem When the mapping is already reaped the unmap must be a no-op, as we would otherwise try to remove the mapping twice, corrupting the involved data structures.
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
- Record status
- Modified
Affected
- Linux Kernel < 5.4.198
- Linux Kernel < 5.10.121
- Linux Kernel < 5.15.46
- Linux Kernel < 5.17.14
- Linux Kernel < 5.18.3
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/03bd455a79f69d97fee3e3b212ab754442f10e5c
- https://git.kernel.org/stable/c/19323b3671a85788569d15685c8f83a05ec48cbb
- https://git.kernel.org/stable/c/436cff507f2a41230baacc3e2ef1d3b2d2653f40
- https://git.kernel.org/stable/c/461c0fdf9434188875da9f10cfc86065866bb797
- https://git.kernel.org/stable/c/64f4edec081cb7c97c5e928529d0e1b0dbbffb83
- https://git.kernel.org/stable/c/e168c25526cd0368af098095c2ded4a008007e1b
References
- https://git.kernel.org/stable/c/03bd455a79f69d97fee3e3b212ab754442f10e5c
- https://git.kernel.org/stable/c/19323b3671a85788569d15685c8f83a05ec48cbb
- https://git.kernel.org/stable/c/436cff507f2a41230baacc3e2ef1d3b2d2653f40
- https://git.kernel.org/stable/c/461c0fdf9434188875da9f10cfc86065866bb797
- https://git.kernel.org/stable/c/64f4edec081cb7c97c5e928529d0e1b0dbbffb83
- https://git.kernel.org/stable/c/e168c25526cd0368af098095c2ded4a008007e1b