CVE-2022-50779
orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.30% · top 77% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < 44d3eac26a5e5268d11cc342dc202b0d31505c0a
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < f2b8a6aac561a49fe02c99683c40a8b87a9f68fc
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < 2e7c09121064df93c58bbc49d3d0f608d3f584bd
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < b8affa0c6405ee968dcb6030bee2cf719a464752
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < 39529b79b023713d4f2d3479dc0ca43ba99df726
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < 3fc221d9a16339a913a0341d3efc7fef339073e1
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < 19be31668552a198e887762e25bdcc560800ecb4
- affected dc0336214eb07ee9de2a41dd4c81c744ffa419ac – < d23417a5bf3a3afc55de5442eb46e1e60458b0a1
- affected 4.9
- unaffected < 4.9
- unaffected 4.9.337 – ≤ 4.9.*
- unaffected 4.14.303 – ≤ 4.14.*
- unaffected 4.19.270 – ≤ 4.19.*
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (9)
- https://git.kernel.org/stable/c/44d3eac26a5e5268d11cc342dc202b0d31505c0a (opens in a new tab)
- https://git.kernel.org/stable/c/f2b8a6aac561a49fe02c99683c40a8b87a9f68fc (opens in a new tab)
- https://git.kernel.org/stable/c/ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea (opens in a new tab)
- https://git.kernel.org/stable/c/2e7c09121064df93c58bbc49d3d0f608d3f584bd (opens in a new tab)
- https://git.kernel.org/stable/c/b8affa0c6405ee968dcb6030bee2cf719a464752 (opens in a new tab)
- https://git.kernel.org/stable/c/39529b79b023713d4f2d3479dc0ca43ba99df726 (opens in a new tab)
- https://git.kernel.org/stable/c/3fc221d9a16339a913a0341d3efc7fef339073e1 (opens in a new tab)
- https://git.kernel.org/stable/c/19be31668552a198e887762e25bdcc560800ecb4 (opens in a new tab)
- https://git.kernel.org/stable/c/d23417a5bf3a3afc55de5442eb46e1e60458b0a1 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-50779)Record last updated .