Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: intel_th: msu: Fix vmalloced buffers After commit f5ff79fddf0e ("dma-mapping: remove CONFIG_DMA_REMAP") there's a chance of DMA buffer getting allocated via vmalloc(), which messes up the mmapping code: > RIP: msc_mmap_fault [intel_th_msu] > Call Trace: > <TASK> > __do_fault > do_fault ... Fix this by accounting for vmalloc possibility.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.2, < 5.4.211 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/0ed72c6bc632cbf8d979ac60f982ff84b7bb610aPatch
- https://git.kernel.org/stable/c/4914c50670b6a531e2cb17cd984cc565b4681312Patch
- https://git.kernel.org/stable/c/566887bad7ff2297d6b3f9659c702ba075f3d62dPatch
- https://git.kernel.org/stable/c/6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828Patch
- https://git.kernel.org/stable/c/ac12ad3ccf6d386e64a9d6a890595a2509d24eddPatch
- https://git.kernel.org/stable/c/b5d924cb4c7b952eaa61622f14427723a78137a3Patch
FAQ
What is CVE-2022-50142?
CVE-2022-50142 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: intel_th: msu: Fix vmalloced buffers After commit f5ff79fddf0e ("dma-mapping: remove CONFIG_DMA_REMAP") there's a chance of DMA bu...
How severe is CVE-2022-50142?
CVE-2022-50142 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-50142?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.