Linux Kernel up to 6.0.15/6.1.1 Orangefs orangefs_sysfs_init memory leak

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.0.15/6.1.1 and classified as critical. Affected by this vulnerability is the function orangefs_sysfs_init of the component Orangefs Module. Such manipulation leads to memory leak. This vulnerability is traded as CVE-2022-50316. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.0.15/6.1.1 and classified as critical. Affected by this issue is the function orangefs_sysfs_init of the component Orangefs Module. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: orangefs: Fix kmemleak in orangefs_sysfs_init() When insert and remove the orangefs module, there are kobjects memory leaked as below: unreferenced object 0xffff88810f95af00 (size 64): comm "insmod", pid 783, jiffies 4294813439 (age 65.512s) hex dump (first 32 bytes): a0 83 af 01 81 88 ff ff 08 af 95 0f 81 88 ff ff ................ 08 af 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000005a6e4dfe>] orangefs_sysfs_init+0x42/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<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 unreferenced object 0xffff88810f95ae80 (size 64): comm "insmod", pid 783, jiffies 4294813439 (age 65.512s) hex dump (first 32 bytes): c8 90 0f 02 81 88 ff ff 88 ae 95 0f 81 88 ff ff ................ 88 ae 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000001a4841fa>] orangefs_sysfs_init+0xc7/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<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 unreferenced object 0xffff88810f95ae00 (size 64): comm "insmod", pid 783, jiffies 4294813440 (age 65.511s) hex dump (first 32 bytes): 60 87 a1 00 81 88 ff ff 08 ae 95 0f 81 88 ff ff `............... 08 ae 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000005915e797>] orangefs_sysfs_init+0x12b/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<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 unreferenced object 0xffff88810f95ad80 (size 64): comm "insmod", pid 783, jiffies 4294813440 (age 65.511s) hex dump (first 32 bytes): 78 90 0f 02 81 88 ff ff 88 ad 95 0f 81 88 ff ff x............... 88 ad 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000007a14eb35>] orangefs_sysfs_init+0x1ac/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<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 unreferenced object 0xffff88810f95ac00 (size 64): comm "insmod", pid 783, jiffies 4294813440 (age 65.531s) hex dump (first 32 bytes): e0 ff 67 02 81 88 ff ff 08 ac 95 0f 81 88 ff ff ..g............. 08 ac 95 0f 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000031ab7788>] kmalloc_trace+0x27/0xa0 [<000000001f38adcb>] orangefs_sysfs_init+0x291/0x3a0 [<00000000722645ca>] 0xffffffffa02780fe [<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/ ---truncated---

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2022-50316 since 09/15/2025. The exploitation is known to be difficult. There are known technical details, but no exploit is available.

Upgrading to version 6.0.16 or 6.1.2 eliminates this vulnerability. Applying the patch 9ce4ba7fff5af36da82dc5964221367630621b99/22409490294180c39be7dd0e5b2667d41556307d/1f2c0e8a587bcafad85019a2d80f158d8d41a868 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2053). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• IBM QRadar SIEM
• SUSE openSUSE
• Open Source Linux Kernel
• RESF Rocky Linux
• Dell Secure Connect Gateway
• F5 F5OS

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.0.11
• 6.0.12
• 6.0.13
• 6.0.14
• 6.0.15
• 6.1.0
• 6.1.1

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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