CVE-2022-49491
What it is
In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop: fix possible null-ptr-deref in vop_bind() It will cause null-ptr-deref in resource_size(), if platform_get_resource() returns NULL, move calling resource_size() after devm_ioremap_resource() that will check 'res' to avoid null-ptr-deref.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of 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-476 · NULL pointer dereference
- Record status
- Modified
Affected
- Linux Kernel < 4.9.318
- Linux Kernel < 4.14.283
- Linux Kernel < 4.19.247
- 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 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Fix and advisories
- https://git.kernel.org/stable/c/3451852312303d54a003c73bd0ae39cebb960bd5
- https://git.kernel.org/stable/c/452922955df215a417c80d09dab72bbc667a1861
- https://git.kernel.org/stable/c/6ff986e057bf28e2f7690dad410768b2270f9453
- https://git.kernel.org/stable/c/769c53bb6116d0eaec0f1fe4ec4b27a74465cad1
- https://git.kernel.org/stable/c/a9b4599665e437de8a1152799c34841b799a2e1c
- https://git.kernel.org/stable/c/b54926bd558d97c888c3d2d87886f3c159d3254a
- https://git.kernel.org/stable/c/ecfa52654d0c9c333c1fe1611f47105f6bce9591
- https://git.kernel.org/stable/c/f8c242908ad15bbd604d3bcb54961b7d454c43f8
- https://git.kernel.org/stable/c/fcd6a886443730c39170b8383411e52118aec0a3
References
- https://git.kernel.org/stable/c/3451852312303d54a003c73bd0ae39cebb960bd5
- https://git.kernel.org/stable/c/452922955df215a417c80d09dab72bbc667a1861
- https://git.kernel.org/stable/c/6ff986e057bf28e2f7690dad410768b2270f9453
- https://git.kernel.org/stable/c/769c53bb6116d0eaec0f1fe4ec4b27a74465cad1
- https://git.kernel.org/stable/c/a9b4599665e437de8a1152799c34841b799a2e1c
- https://git.kernel.org/stable/c/b54926bd558d97c888c3d2d87886f3c159d3254a
- https://git.kernel.org/stable/c/ecfa52654d0c9c333c1fe1611f47105f6bce9591
- https://git.kernel.org/stable/c/f8c242908ad15bbd604d3bcb54961b7d454c43f8
- https://git.kernel.org/stable/c/fcd6a886443730c39170b8383411e52118aec0a3