vulnerability
Ubuntu: (CVE-2022-50142): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Jun 18, 2025 | Jun 26, 2025 | Nov 20, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Jun 18, 2025
Added
Jun 26, 2025
Modified
Nov 20, 2025
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.
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-15ubuntu-upgrade-linux-aws-5-4ubuntu-upgrade-linux-aws-fipsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-15ubuntu-upgrade-linux-azure-5-4ubuntu-upgrade-linux-azure-fipsubuntu-upgrade-linux-bluefieldubuntu-upgrade-linux-fipsubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-15ubuntu-upgrade-linux-gcp-5-4ubuntu-upgrade-linux-gcp-fipsubuntu-upgrade-linux-gkeubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-hwe-5-15ubuntu-upgrade-linux-hwe-5-4ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-ibm-5-4ubuntu-upgrade-linux-intel-iotgubuntu-upgrade-linux-intel-iotg-5-15ubuntu-upgrade-linux-iotubuntu-upgrade-linux-kvmubuntu-upgrade-linux-lowlatencyubuntu-upgrade-linux-lowlatency-hwe-5-15ubuntu-upgrade-linux-nvidiaubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-15ubuntu-upgrade-linux-oracle-5-4ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-raspi-5-4ubuntu-upgrade-linux-realtimeubuntu-upgrade-linux-riscv-5-15
References
- CVE-2022-50142
- https://attackerkb.com/topics/CVE-2022-50142
- CWE-787
- URL-https://git.kernel.org/stable/c/0ed72c6bc632cbf8d979ac60f982ff84b7bb610a
- URL-https://git.kernel.org/stable/c/4914c50670b6a531e2cb17cd984cc565b4681312
- URL-https://git.kernel.org/stable/c/566887bad7ff2297d6b3f9659c702ba075f3d62d
- URL-https://git.kernel.org/stable/c/6ae2881c1d1fa0e33f4763b7c786f8ef05a9c828
- URL-https://git.kernel.org/stable/c/ac12ad3ccf6d386e64a9d6a890595a2509d24edd
- URL-https://git.kernel.org/stable/c/b5d924cb4c7b952eaa61622f14427723a78137a3
- URL-https://www.cve.org/CVERecord?id=CVE-2022-50142
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