CVE-2024-50084

/// Technical description

In the Linux kernel, the following vulnerability has been resolved:

net: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test()

Commit a3c1e45156ad ("net: microchip: vcap: Fix use-after-free error in

kunit test") fixed the use-after-free error, but introduced below

memory leaks by removing necessary vcap_free_rule(), add it to fix it.

unreferenced object 0xffffff80ca58b700 (size 192):

comm "kunit_try_catch", pid 1215, jiffies 4294898264

hex dump (first 32 bytes):

00 12 7a 00 05 00 00 00 0a 00 00 00 64 00 00 00 ..z.........d...

00 00 00 00 00 00 00 00 00 04 0b cc 80 ff ff ff ................

backtrace (crc 9c09c3fe):

[<0000000052a0be73>] kmemleak_alloc+0x34/0x40

[<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4

[<0000000040a01b8d>] vcap_alloc_rule+0x3cc/0x9c4

[<000000003fe86110>] vcap_api_encode_rule_test+0x1ac/0x16b0

[<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac

[<0000000010f5d2bf>] kunit_generic_run_threa

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References