CVE-2022-50376
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Weakness
- CWE-401
- Record status
- Modified
Affected
- Linux Kernel < 5.4.229
- Linux Kernel < 5.10.163
- Linux Kernel < 5.15.86
- Linux Kernel < 6.0.16
- Linux Kernel < 6.1.2
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-50376.md and follow it. Check whether this project is affected by CVE-2022-50376. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/0cd303aad220fafa595e0ed593e99aa51b90412b
- https://git.kernel.org/stable/c/31720a2b109b3080eb77e97b8f6f50a27b4ae599
- https://git.kernel.org/stable/c/786e5296f9e3b045d5ff9098514ce7b8ba1d890d
- https://git.kernel.org/stable/c/a076490b0211990ec6764328c22cb744dd782bd9
- https://git.kernel.org/stable/c/bdc2d33fa2324b1f5ab5b701cda45ee0b2384409
- https://git.kernel.org/stable/c/c8853267289c55b1acbe4dc3641374887584834d
References
- https://git.kernel.org/stable/c/0cd303aad220fafa595e0ed593e99aa51b90412b
- https://git.kernel.org/stable/c/31720a2b109b3080eb77e97b8f6f50a27b4ae599
- https://git.kernel.org/stable/c/786e5296f9e3b045d5ff9098514ce7b8ba1d890d
- https://git.kernel.org/stable/c/a076490b0211990ec6764328c22cb744dd782bd9
- https://git.kernel.org/stable/c/bdc2d33fa2324b1f5ab5b701cda45ee0b2384409
- https://git.kernel.org/stable/c/c8853267289c55b1acbe4dc3641374887584834d