CVE-2023-53078None▾ SunlitIn 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 …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
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.
Linux >= 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 < 123483df146492ca22b503ae6dacc2ce7c3a3974Linux >= 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 < c110051d335ef7f62ad33474b0c23997fee5bfb5Linux >= 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 < 5c4d71424df34fc23dc5336d09394ce68c849542Linux >= 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 < c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8Linux >= 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 < 9311e7a554dffd3823499e309a8b86a5cd1540e5Linux >= 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 < 1c55982beb80c7d3c30278fc6cfda8496a31dbe6Linux >= 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 < 0d89254a4320eb7de0970c478172f764125c6355Linux >= 625fe857e4fac6518716f3c0ff5e5deb8ec6d238 < a13faca032acbf2699293587085293bdfaafc8aeLinux 68b275b7cbf065a8ea9b964cbb7d78d2b63c635fLinux 2b1725d1df362499f6bbd5a7e245a4090b29c2bbLinux >= 4.9.21 < 4.10Linux >= 4.10.9 < 4.11Linux 4.11Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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