# CVE-2022-50779: linux: In the Linux kernel, the following vulnerability has been resolved:  orangefs: Fix kmemleak in orangefs_prepare_debug...

CVE-2022-50779 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50779, released December 24, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50779
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0030
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 24, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()  When insert and remove the orangefs module, then debug_help_string will be leaked:    unreferenced object 0xffff8881652ba000 (size 4096):     comm "insmod", pid 1701, jiffies 4294893639 (age 13218.530s)     hex dump (first 32 bytes):       43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79  Client Debug Key       77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77  words are unknow     backtrace:       [<0000000004e6f8e3>] kmalloc_trace+0x27/0xa0       [<0000000006f75d85>] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs]       [<0000000091270a2a>] _sub_I_65535_1+0x57/0xf70 [crc_itu_t]       [<000000004b1ee1a3>] do_one_initcall+0x87/0x2a0       [<000000001d0614ae>] do_init_module+0xdf/0x320       [<00000000efef068c>] load_module+0x2f98/0x3330       [<000000006533b44d>] __do_sys_finit_module+0x113/0x1b0       [<00000000a0da6f99>] do_syscall_64+0x35/0x80       [<000000007790b19b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0  When remove the module, should always free debug_help_string. Should always free the allocated buffer when change the free_debug_help_string.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.4-1 | [DEBIAN-CVE-2022-50779](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50779.md) | Dec 24, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.4-1 | [DEBIAN-CVE-2022-50779](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50779.md) | Dec 24, 2025 |
| Linux | linux Debian 14 | 6.1.4-1 | [DEBIAN-CVE-2022-50779](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50779.md) | Dec 24, 2025 |

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