CVE-2022-49644
What it is
In the Linux kernel, the following vulnerability has been resolved: drm/i915: fix a possible refcount leak in intel_dp_add_mst_connector() If drm_connector_init fails, intel_connector_free will be called to take care of proper free. So it is necessary to drop the refcount of port before intel_connector_free. (cherry picked from commit cea9ed611e85d36a05db52b6457bf584b7d969e2)
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
- 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 · 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/505114dda5bbfd07f4ce9a2df5b7d8ef5f2a1218
- https://git.kernel.org/stable/c/592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1
- https://git.kernel.org/stable/c/72f231b9a88abcfac9f5ddaa1a0aacb3f9f87ba5
- https://git.kernel.org/stable/c/85144df9ff4652816448369de76897c57cbb1b93
- https://git.kernel.org/stable/c/a91522b4279bebb098106a19b91f82b9c3213be9
References
- https://git.kernel.org/stable/c/505114dda5bbfd07f4ce9a2df5b7d8ef5f2a1218
- https://git.kernel.org/stable/c/592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1
- https://git.kernel.org/stable/c/72f231b9a88abcfac9f5ddaa1a0aacb3f9f87ba5
- https://git.kernel.org/stable/c/85144df9ff4652816448369de76897c57cbb1b93
- https://git.kernel.org/stable/c/a91522b4279bebb098106a19b91f82b9c3213be9