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CVE-2022-48924

thermal: int340x: fix memory leak in int3400_notify() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: thermal: int340x: fix memory leak in int3400_notify() It is easy to hit the below memory leaks in my TigerLake platform: unreferenced object 0xffff927c8b91dbc0 (size 32): comm "kworker/0:2", pid 112, jiffies 4294893323 (age 83.604s) hex dump (first 32 bytes): 4e 41 4d 45 3d 49 4e 54 33 34 30 30 20 54 68 65 NAME=INT3400 The 72 6d 61 6c 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 rmal.kkkkkkkkkk. backtrace: [<ffffffff9c502c3e>] __kmalloc_track_caller+0x2fe/0x4a0 [<ffffffff9c7b7c15>] kvasprintf+0x65/0xd0 [<ffffffff9c7b7d6e>] kasprintf+0x4e/0x70 [<ffffffffc04cb662>] int3400_notify+0x82/0x120 [int3400_thermal] [<ffffffff9c8b7358>] acpi_ev_notify_dispatch+0x54/0x71 [<ffffffff9c88f1a7>] acpi_os_execute_deferred+0x17/0x30 [<ffffffff9c2c2c0a>] process_one_work+0x21a/0x3f0 [<ffffffff9c2c2e2a>] worker_thread+0x4a/0x3b0 [<ffffffff9c2cb4dd>] kthread+0xfd/0x130 [<ffffffff9c201c1f>] ret_from_fork+0x1f/0x30 Fix it by calling kfree() accordingly.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 38e44da591303d08b0d965a033e11ade284999d0 before f0ddc5184b0127038d05008e2a69f89d1e13f980; affected 38e44da591303d08b0d965a033e11ade284999d0 before c3fa6d1937a8d0828131a04ae2cd2c30d0668693; affected 38e44da591303d08b0d965a033e11ade284999d0 before 2e798814e01827871938ff172d2b2ccf1e74b355; affected 38e44da591303d08b0d965a033e11ade284999d0 before e098933866f9e1dd3ef4eebbe2e3d504f970f599; affected 38e44da591303d08b0d965a033e11ade284999d0 before ba9efbbf6745750d34c1e87c9539ce9db645ca0a; affected 38e44da591303d08b0d965a033e11ade284999d0 before 33c73a4d7e7b19313a6b417152f5365016926418; affected 38e44da591303d08b0d965a033e11ade284999d0 before 3abea10e6a8f0e7804ed4c124bea2d15aca977c8
Linux / Linuxaffected 4.14; unaffected 0 before 4.14; unaffected 4.14.274 through 4.14.*; unaffected 4.19.237 through 4.19.*; unaffected 5.4.188 through 5.4.*; unaffected 5.10.103 through 5.10.*; unaffected 5.15.26 through 5.15.*; unaffected 5.16.12 through 5.16.*; unaffected 5.17 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.