Memory Leak Affecting kernel-source package, versions <5.14.21-150400.24.179.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-SLES154-KERNELSOURCE-13622872
  • published18 Oct 2025
  • disclosed17 Oct 2025

Introduced: 17 Oct 2025

CVE-2022-50376  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 kernel-source to version 5.14.21-150400.24.179.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-source package and not the kernel-source package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

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

orangefs: Fix kmemleak in orangefs_{kernel,client}_debug_init()

When insert and remove the orangefs module, there are memory leaked as below:

unreferenced object 0xffff88816b0cc000 (size 2048): comm "insmod", pid 783, jiffies 4294813439 (age 65.512s) hex dump (first 32 bytes): 6e 6f 6e 65 0a 00 00 00 00 00 00 00 00 00 00 00 none............ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000005b405fee>] orangefs_debugfs_init.cold+0xaf/0x17f [<00000000e5a0085b>] 0xffffffffa02780f9 [<000000004232d9f7>] do_one_initcall+0x87/0x2a0 [<0000000054f22384>] do_init_module+0xdf/0x320 [<000000003263bdea>] load_module+0x2f98/0x3330 [<0000000052cd4153>] __do_sys_finit_module+0x113/0x1b0 [<00000000250ae02b>] do_syscall_64+0x35/0x80 [<00000000f11c03c7>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

Use the golbal variable as the buffer rather than dynamic allocate to slove the problem.

CVSS Base Scores

version 3.1