CVE-2022-49956

staging: rtl8712: fix use after free bugs

State: Published
Severity: 7.0 High
Published: Jun 18, 2025
Updated: Aug 5, 2026
Reserved: Jun 18, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.0 High	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before 7dce6b0ee7d78667d6c831ced957a08769973063Affected 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before 376e15487fec837301d888068a3fcc82efb6171aAffected 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before 9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27Affected 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before d0aac7146e96bf39e79c65087d21dfa02ef8db38Affected 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before 19e3f69d19801940abc2ac37c169882769ed9770Affected 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before dc02aaf950015850e7589696521c7fca767cea77Affected 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before b1727def850904e4b8ba384043775672841663a1Affected 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before e230a4455ac3e9b112f0367d1b8e255e141afae0Affected
LinuxLinux	2.6.37Affected before 2.6.37Not affected 4.9.328 through 4.9.Not affected 4.14.293 through 4.14.Not affected 4.19.258 through 4.19.Not affected 5.4.213 through 5.4.Not affected 5.10.142 through 5.10.Not affected 5.15.66 through 5.15.Not affected 5.19.8 through 5.19.*Not affected 6.0 and laterNot affected

Product

Versions

LinuxLinux

2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before 7dce6b0ee7d78667d6c831ced957a08769973063Affected
2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before 376e15487fec837301d888068a3fcc82efb6171aAffected
2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before 9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27Affected
2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before d0aac7146e96bf39e79c65087d21dfa02ef8db38Affected
2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before 19e3f69d19801940abc2ac37c169882769ed9770Affected
2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before dc02aaf950015850e7589696521c7fca767cea77Affected
2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before b1727def850904e4b8ba384043775672841663a1Affected
2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef to before e230a4455ac3e9b112f0367d1b8e255e141afae0Affected

LinuxLinux

2.6.37Affected
before 2.6.37Not affected
4.9.328 through 4.9.*Not affected
4.14.293 through 4.14.*Not affected
4.19.258 through 4.19.*Not affected
5.4.213 through 5.4.*Not affected
5.10.142 through 5.10.*Not affected
5.15.66 through 5.15.*Not affected
5.19.8 through 5.19.*Not affected
6.0 and laterNot affected

References

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