CVE-2022-50779: orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()
Vulnerability summary
CVE-2022-50779 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 22.9% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 5Timeline
- 24-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.30% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu122 products
- linuxAll versions (No fix recorded) | < 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-69.76
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1033.37
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.4-1
Linux1 product
- linux≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < 44d3eac26a5e5268d11cc342dc202b0d31505c0a | ≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < f2b8a6aac561a49fe02c99683c40a8b87a9f68fc | ≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea | ≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < 2e7c09121064df93c58bbc49d3d0f608d3f584bd | ≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < b8affa0c6405ee968dcb6030bee2cf719a464752 | ≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < 39529b79b023713d4f2d3479dc0ca43ba99df726 | ≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < 3fc221d9a16339a913a0341d3efc7fef339073e1 | ≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < 19be31668552a198e887762e25bdcc560800ecb4 | ≥ dc0336214eb07ee9de2a41dd4c81c744ffa419ac, < d23417a5bf3a3afc55de5442eb46e1e60458b0a1 | 4.9
3 vendors · 124 products
