CVE-2023-53078
Published: May 2, 2025
Modified: May 23, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate() If alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not freed, which will cause following memleak: unreferenced object 0xffff88810b2c6980 (size 32): comm "kworker/u16:2", pid 635322, jiffies 4355801099 (age 1216426.076s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$............. backtrace: [<0000000098f3a26d>] alua_activate+0xb0/0x320 [<000000003b529641>] scsi_dh_activate+0xb2/0x140 [<000000007b296db3>] activate_path_work+0xc6/0xe0 [dm_multipath] [<000000007adc9ace>] process_one_work+0x3c5/0x730 [<00000000c457a985>] worker_thread+0x93/0x650 [<00000000cb80e628>] kthread+0x1ba/0x210 [<00000000a1e61077>] ret_from_fork+0x22/0x30 Fix the problem by freeing 'qdata' in error path.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 - < 123483df146492ca22b503ae6dacc2ce7c3a3974affected 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 - < c110051d335ef7f62ad33474b0c23997fee5bfb5affected 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 - < 5c4d71424df34fc23dc5336d09394ce68c849542affected 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 - < c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8affected 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 - < 9311e7a554dffd3823499e309a8b86a5cd1540e5+7 more versions |
Linux | Linux | affected 4.11unaffected 0 - < 4.11unaffected 4.14.312 - <= 4.14.*unaffected 4.19.280 - <= 4.19.*unaffected 5.4.240 - <= 5.4.*+5 more versions |
References
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