CVE-2021-47165
See a problem?- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-47165
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47165.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-47165
- Related
- Published
- 2024-03-25T10:15:08Z
- Modified
- 2024-09-18T01:00:19Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/meson: fix shutdown crash when component not probed
When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : mesondrvshutdown+0x24/0x50 lr : platformdrvshutdown+0x20/0x30 ... Call trace: mesondrvshutdown+0x24/0x50 platformdrvshutdown+0x20/0x30 deviceshutdown+0x158/0x360 kernelrestartprepare+0x38/0x48 kernelrestart+0x18/0x68 _dosysreboot+0x224/0x250 _arm64sysreboot+0x24/0x30 ...
Simply check if the priv struct has been allocated before using it.
- References
-
- https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
- https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2
- https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
- https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
- https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
- https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
- https://security-tracker.debian.org/tracker/CVE-2021-47165
Affected packages
Debian:11 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source