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CVE-2023-52469

drivers/amd/pm: fix a use-after-free in kv_parse_power_table PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: drivers/amd/pm: fix a use-after-free in kv_parse_power_table When ps allocated by kzalloc equals to NULL, kv_parse_power_table frees adev->pm.dpm.ps that allocated before. However, after the control flow goes through the following call chains: kv_parse_power_table |-> kv_dpm_init |-> kv_dpm_sw_init |-> kv_dpm_fini The adev->pm.dpm.ps is used in the for loop of kv_dpm_fini after its first free in kv_parse_power_table and causes a use-after-free bug.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected a2e73f56fa6282481927ec43aa9362c03c2e2104 before 8a27d9d9fc9b5564b8904c3a77a7dea482bfa34e; affected a2e73f56fa6282481927ec43aa9362c03c2e2104 before 8b55b06e737feb2a645b0293ea27e38418876d63; affected a2e73f56fa6282481927ec43aa9362c03c2e2104 before 520e213a0b97b64735a13950e9371e0a5d7a5dc3; affected a2e73f56fa6282481927ec43aa9362c03c2e2104 before b6dcba02ee178282e0d28684d241e0b8462dea6a; affected a2e73f56fa6282481927ec43aa9362c03c2e2104 before 35fa2394d26e919f63600ce631e6aefc95ec2706; affected a2e73f56fa6282481927ec43aa9362c03c2e2104 before 95084632a65d5c0d682a83b55935560bdcd2a1e3; affected a2e73f56fa6282481927ec43aa9362c03c2e2104 before 3426f059eacc33ecc676b0d66539297e1cfafd02; affected a2e73f56fa6282481927ec43aa9362c03c2e2104 before 28dd788382c43b330480f57cd34cde0840896743
Linux / Linuxaffected 4.2; unaffected 0 before 4.2; unaffected 4.19.306 through 4.19.*; unaffected 5.4.268 through 5.4.*; unaffected 5.10.209 through 5.10.*; unaffected 5.15.148 through 5.15.*; unaffected 6.1.75 through 6.1.*; unaffected 6.6.14 through 6.6.*; unaffected 6.7.2 through 6.7.*; unaffected 6.8 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.