CVEvulnerability
CVE-2022-50376
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-09-18
- Last modified
- 2026-08-15
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
Description
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.
Affected configurations
• linux linux kernel (>= 4.6 < 5.4.229)
• linux linux kernel (>= 5.5 < 5.10.163)
• linux linux kernel (>= 5.11 < 5.15.86)
• linux linux kernel (>= 5.16 < 6.0.16)
• linux linux kernel (>= 6.1 < 6.1.2)
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://git.kernel.org/stable/c/0cd303aad220fafa595e0ed593e99aa51b90412b Patch
- https://git.kernel.org/stable/c/31720a2b109b3080eb77e97b8f6f50a27b4ae599 Patch
- https://git.kernel.org/stable/c/786e5296f9e3b045d5ff9098514ce7b8ba1d890d Patch
- https://git.kernel.org/stable/c/a076490b0211990ec6764328c22cb744dd782bd9 Patch
- https://git.kernel.org/stable/c/bdc2d33fa2324b1f5ab5b701cda45ee0b2384409 Patch
- https://git.kernel.org/stable/c/c8853267289c55b1acbe4dc3641374887584834d Patch