Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix use after free bugs _Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl() functions don't do anything except free the "pcmd" pointer. It results in a use after free. Delete them.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.37, < 4.9.328 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770Patch
- https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171aPatch
- https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063Patch
- https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27Patch
- https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1Patch
- https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38Patch
- https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77Patch
- https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0Patch
FAQ
What is CVE-2022-49956?
CVE-2022-49956 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix use after free bugs _Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl() functions don't do ...
How severe is CVE-2022-49956?
CVE-2022-49956 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-2022-49956?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.