CVE-2022-50779 | THREATINT

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.

PUBLISHED Reserved 2025-12-24 | Published 2025-12-24 | Updated 2025-12-24 | Assigner Linux

Product status

Default status

unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 44d3eac26a5e5268d11cc342dc202b0d31505c0a

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before f2b8a6aac561a49fe02c99683c40a8b87a9f68fc

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 2e7c09121064df93c58bbc49d3d0f608d3f584bd

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before b8affa0c6405ee968dcb6030bee2cf719a464752

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 39529b79b023713d4f2d3479dc0ca43ba99df726

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 3fc221d9a16339a913a0341d3efc7fef339073e1

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 19be31668552a198e887762e25bdcc560800ecb4

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before d23417a5bf3a3afc55de5442eb46e1e60458b0a1

affected

Default status

affected

4.9.337 (semver)

unaffected

4.14.303 (semver)

unaffected

4.19.270 (semver)

unaffected

5.4.229 (semver)

unaffected

5.10.163 (semver)

unaffected

5.15.86 (semver)

unaffected

6.0.16 (semver)

unaffected

6.1.2 (semver)

unaffected

6.2 (original_commit_for_fix)

unaffected

References

git.kernel.org/...c/44d3eac26a5e5268d11cc342dc202b0d31505c0a

git.kernel.org/...c/f2b8a6aac561a49fe02c99683c40a8b87a9f68fc

git.kernel.org/...c/ba9d3b9cec20957fd86bb1bf525b4ea8b64b2dea

git.kernel.org/...c/2e7c09121064df93c58bbc49d3d0f608d3f584bd

git.kernel.org/...c/b8affa0c6405ee968dcb6030bee2cf719a464752

git.kernel.org/...c/39529b79b023713d4f2d3479dc0ca43ba99df726

git.kernel.org/...c/3fc221d9a16339a913a0341d3efc7fef339073e1

git.kernel.org/...c/19be31668552a198e887762e25bdcc560800ecb4

git.kernel.org/...c/d23417a5bf3a3afc55de5442eb46e1e60458b0a1

cve.org (CVE-2022-50779)

nvd.nist.gov (CVE-2022-50779)

Download JSON