CVE-2022-50733
CVE-2022-50733
In the Linux kernel, the following vulnerability has been resolved: usb: idmouse: fix an uninit-value in idmouse_open In idmouse_create_image, if any ftip_command fails, it will go to the reset label. However, this leads to the data in bulk_in_buffer[HEADER..IMGSIZE] uninitialized. And the check for valid image incurs an uninitialized dereference. Fix this by moving the check before reset label since this check only be valid if the data after bulk_in_buffer[HEADER] has concrete data. Note that this is found by KMSAN, so only kernel compilation is tested.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
No affected-product ranges reported in collected sources.
CVSS assessments
No CVSS assessment reported. An unscored record is not a low-severity determination.
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://git.kernel.org/stable/c/1eae30c0113dde7522088231584d62415011a035416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/20b8c456df584ebb2387dc23d40ebe4ff334417c416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/6163a5ae097bc78fa26c243fb384537e25610fd7416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/7dad42032f68718259590b0cc7654e9a95ff9762416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/adad163d1cff248a5df9f7cec50158e6ca89f33b416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/b3304a6df957cc89a0590cb505388d659bf3db4c416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/b8bbae3236ab7dccc66c42bc3f7cdbcfc0786e54416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/bce2b0539933e485d22d6f6f076c0fcd6f185c4c416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/f589b667567fde4f81d6e6c40f42b9f2224690ea416baaa9-dc9f-4396-8d5f-8c081fb06d67
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