CVE-2022-50289

Summary

In the Linux kernel, the following vulnerability has been resolved:

ocfs2: fix memory leak in ocfs2_stack_glue_init()

ocfs2_table_header should be free in ocfs2_stack_glue_init() if ocfs2_sysfs_init() failed, otherwise kmemleak will report memleak.

BUG: memory leak unreferenced object 0xffff88810eeb5800 (size 128): comm "modprobe", pid 4507, jiffies 4296182506 (age 55.888s) hex dump (first 32 bytes): c0 40 14 a0 ff ff ff ff 00 00 00 00 01 00 00 00 .@………….. 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ……………. backtrace: [<000000001e59e1cd>] __register_sysctl_table+0xca/0xef0 [<00000000c04f70f7>] 0xffffffffa0050037 [<000000001bd12912>] do_one_initcall+0xdb/0x480 [<0000000064f766c9>] do_init_module+0x1cf/0x680 [<000000002ba52db0>] load_module+0x6441/0x6f20 [<000000009772580d>] __do_sys_finit_module+0x12f/0x1c0 [<00000000380c1f22>] do_syscall_64+0x3f/0x90 [<000000004cf473bc>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

Affected Software

Weaknesses

References

• https://git.kernel.org/stable/c/0000281f019111526f7abccc61f2746d2eb626ca
• https://git.kernel.org/stable/c/802abe2bc654e87334e6a0ab6c1adc2b6d5f6394
• https://git.kernel.org/stable/c/b0822faebd79971617abd495beb2d6f5356b88bf
• https://git.kernel.org/stable/c/7c8bf45cea9c8d6fb3e14d8cd5ae60e0372f39b7
• https://git.kernel.org/stable/c/f5f2682d3a34dd8350bf63f232d885fd95f25b92
• https://git.kernel.org/stable/c/61d68cf2ba79128c48d4b3fa4d10c34dc18ba572
• https://git.kernel.org/stable/c/6f6c13776cbee4b6a515f4cd3b859f046be4f6f9
• https://git.kernel.org/stable/c/0b2128b70849f2728949babfc1c760096ef72f5d
• https://git.kernel.org/stable/c/13b6269dd022aaa69ca8d1df374ab327504121cf

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