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CVE PROGRAM SOURCE RECORDUnscored

CVE-2022-50779

orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()

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Status
Published
Published
Updated
Assigning organization
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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < 44d3eac26a5e5268d11cc342dc202b0d31505c0aaffected
  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < f2b8a6aac561a49fe02c99683c40a8b87a9f68fcaffected
  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < ba9d3b9cec20957fd86bb1bf525b4ea8b64b2deaaffected
  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < 2e7c09121064df93c58bbc49d3d0f608d3f584bdaffected
  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < b8affa0c6405ee968dcb6030bee2cf719a464752affected
  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < 39529b79b023713d4f2d3479dc0ca43ba99df726affected
  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < 3fc221d9a16339a913a0341d3efc7fef339073e1affected
  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < 19be31668552a198e887762e25bdcc560800ecb4affected
  • dc0336214eb07ee9de2a41dd4c81c744ffa419ac to < d23417a5bf3a3afc55de5442eb46e1e60458b0a1affected

Linux Linux

Default version status: affected

  • 4.9affected
  • 0 to < 4.9unaffected
  • 4.9.337 to ≤ 4.9.*unaffected
  • 4.14.303 to ≤ 4.14.*unaffected
  • 4.19.270 to ≤ 4.19.*unaffected
  • 5.4.229 to ≤ 5.4.*unaffected
  • 5.10.163 to ≤ 5.10.*unaffected
  • 5.15.86 to ≤ 5.15.*unaffected
  • 6.0.16 to ≤ 6.0.*unaffected
  • 6.1.2 to ≤ 6.1.*unaffected
  • 6.2 to ≤ *unaffected

References