CVE-2022-50779
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.
How to fix
- Linux Linux44d3eac26a5e5268d11cc342dc202b0d31505c0a, f2b8a6aac561a49fe02c99683c40a8b87a9f68fc, ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea, 2e7c09121064df93c58bbc49d3d0f608d3f584bd, b8affa0c6405ee968dcb6030bee2cf719a464752, 39529b79b023713d4f2d3479dc0ca43ba99df726, 3fc221d9a16339a913a0341d3efc7fef339073e1, 19be31668552a198e887762e25bdcc560800ecb4, d23417a5bf3a3afc55de5442eb46e1e60458b0a1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < 44d3eac26a5e5268d11cc342dc202b0d31505c0a, dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < f2b8a6aac561a49fe02c99683c40a8b87a9f68fc, dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea, dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < 2e7c09121064df93c58bbc49d3d0f608d3f584bd, dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < b8affa0c6405ee968dcb6030bee2cf719a464752, dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < 39529b79b023713d4f2d3479dc0ca43ba99df726, dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < 3fc221d9a16339a913a0341d3efc7fef339073e1, dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < 19be31668552a198e887762e25bdcc560800ecb4, dc0336214eb07ee9de2a41dd4c81c744ffa419ac ≤ v < d23417a5bf3a3afc55de5442eb46e1e60458b0a1, 4.9 | 44d3eac26a5e5268d11cc342dc202b0d31505c0a, f2b8a6aac561a49fe02c99683c40a8b87a9f68fc, ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea, 2e7c09121064df93c58bbc49d3d0f608d3f584bd, b8affa0c6405ee968dcb6030bee2cf719a464752, 39529b79b023713d4f2d3479dc0ca43ba99df726, 3fc221d9a16339a913a0341d3efc7fef339073e1, 19be31668552a198e887762e25bdcc560800ecb4, d23417a5bf3a3afc55de5442eb46e1e60458b0a1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.