{"id":"CVE-2023-53078","summary":"scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()\n\nIf alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not\nfreed, which will cause following memleak:\n\nunreferenced object 0xffff88810b2c6980 (size 32):\n  comm \"kworker/u16:2\", pid 635322, jiffies 4355801099 (age 1216426.076s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff  @9$.............\n  backtrace:\n    [\u003c0000000098f3a26d\u003e] alua_activate+0xb0/0x320\n    [\u003c000000003b529641\u003e] scsi_dh_activate+0xb2/0x140\n    [\u003c000000007b296db3\u003e] activate_path_work+0xc6/0xe0 [dm_multipath]\n    [\u003c000000007adc9ace\u003e] process_one_work+0x3c5/0x730\n    [\u003c00000000c457a985\u003e] worker_thread+0x93/0x650\n    [\u003c00000000cb80e628\u003e] kthread+0x1ba/0x210\n    [\u003c00000000a1e61077\u003e] ret_from_fork+0x22/0x30\n\nFix the problem by freeing 'qdata' in error path.","modified":"2026-08-12T03:51:09.095229954Z","published":"2025-05-02T15:55:28.246Z","related":["SUSE-SU-2025:01918-1","SUSE-SU-2025:01966-1","SUSE-SU-2025:01983-1","SUSE-SU-2025:02173-1","SUSE-SU-2025:02262-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53078.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0d89254a4320eb7de0970c478172f764125c6355"},{"type":"WEB","url":"https://git.kernel.org/stable/c/123483df146492ca22b503ae6dacc2ce7c3a3974"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1c55982beb80c7d3c30278fc6cfda8496a31dbe6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5c4d71424df34fc23dc5336d09394ce68c849542"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9311e7a554dffd3823499e309a8b86a5cd1540e5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a13faca032acbf2699293587085293bdfaafc8ae"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c110051d335ef7f62ad33474b0c23997fee5bfb5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53078.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53078"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"625fe857e4fac6518716f3c0ff5e5deb8ec6d238"},{"fixed":"123483df146492ca22b503ae6dacc2ce7c3a3974"},{"fixed":"c110051d335ef7f62ad33474b0c23997fee5bfb5"},{"fixed":"5c4d71424df34fc23dc5336d09394ce68c849542"},{"fixed":"c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8"},{"fixed":"9311e7a554dffd3823499e309a8b86a5cd1540e5"},{"fixed":"1c55982beb80c7d3c30278fc6cfda8496a31dbe6"},{"fixed":"0d89254a4320eb7de0970c478172f764125c6355"},{"fixed":"a13faca032acbf2699293587085293bdfaafc8ae"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"68b275b7cbf065a8ea9b964cbb7d78d2b63c635f"},{"last_affected":"2b1725d1df362499f6bbd5a7e245a4090b29c2bb"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.9.21"},{"fixed":"4.10"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.10.9"},{"fixed":"4.11"}]}],"versions":["v4.10.8","v4.9.20","v4.10.7","v4.9.19","v4.10.6","v4.9.18","v4.10","v4.10.5","v4.9.17","v4.10.4","v4.9.16","v4.10.3","v4.9.15","v4.10.2","v4.9.14","v4.10.1","v4.9.13","v4.9","v4.9.12","v4.9.11","v4.10-rc8","v4.10-rc3","v4.10-rc1","v4.10-rc7","v4.9.10","v4.10-rc6","v4.10-rc2","v4.9.9","v4.10-rc5","v4.9.8","v4.9.7","v4.9.6","v4.10-rc4","v4.9.5","v4.9.4","v4.9.3","v4.9.2","v4.9.1","v4.9-rc7","v4.9-rc6","v4.9-rc8","v4.9-rc1","v4.9-rc5","v4.9-rc3","v4.9-rc4","v4.9-rc2","v4.8","v4.8-rc8","v4.8-rc2","v4.8-rc1","v4.8-rc7","v4.8-rc6","v4.8-rc5","v4.8-rc4","v4.8-rc3","v4.7","v4.7-rc4","v4.7-rc2","v4.7-rc1","v4.7-rc7","v4.7-rc6","v4.7-rc3","v4.7-rc5","v4.6","v4.6-rc1","v4.6-rc6","v4.6-rc4","v4.6-rc7","v4.6-rc5","v4.5-rc4","v4.6-rc2","v4.6-rc3","v4.5","v4.4","v4.5-rc1","v4.5-rc6","v4.5-rc2","v4.5-rc7","v4.5-rc5","v4.5-rc3","v4.4-rc1","v4.4-rc2","v4.4-rc8","v4.4-rc3","v4.4-rc7","v4.4-rc5","v4.4-rc6","v4.4-rc4","v4.3","v4.3-rc1","v4.3-rc6","v4.3-rc4","v4.3-rc2","v4.3-rc7","v4.3-rc5","v4.3-rc3","v4.2","v4.2-rc2","v4.2-rc1","v4.2-rc8","v4.2-rc4","v4.2-rc6","v4.2-rc7","v4.0-rc5","v4.2-rc5","v4.2-rc3","v4.1-rc2","v4.1","v4.1-rc1","v4.1-rc8","v4.1-rc7","v4.1-rc6","v4.1-rc3","v4.1-rc4","v4.0","v4.1-rc5","v4.0-rc1","v4.0-rc2","v4.0-rc7","v4.0-rc3","v4.0-rc6","v4.0-rc4","v3.19","v3.19-rc7","v3.19-rc5","v3.19-rc1","v3.19-rc6","v3.19-rc4","v3.18-rc1","v3.19-rc3","v3.19-rc2","v3.18","v3.18-rc7","v3.18-rc6","v3.18-rc2","v3.18-rc3","v3.18-rc4","v3.18-rc5","v3.17","v3.17-rc1","v3.17-rc7","v3.17-rc2","v3.17-rc4","v3.16","v3.17-rc5","v3.17-rc6","v3.17-rc3","v3.16-rc7","v3.16-rc1","v3.16-rc3","v3.16-rc5","v3.16-rc6","v3.16-rc2","v3.16-rc4","v3.13","v3.15","v3.15-rc5","v3.15-rc8","v3.15-rc1","v3.15-rc6","v3.15-rc3","v3.15-rc7","v3.15-rc2","v3.15-rc4","v3.14","v3.14-rc4","v3.14-rc8","v3.14-rc7","v3.14-rc6","v3.14-rc1","v3.14-rc2","v3.14-rc5","v3.14-rc3","v3.13-rc6","v3.13-rc8","v3.12","v3.13-rc7","v3.13-rc1","v3.13-rc4","v3.13-rc3","v3.13-rc5","v3.13-rc2","v3.12-rc7","v3.12-rc3","v3.12-rc6","v3.12-rc1","v3.12-rc5","v3.11","v3.12-rc2","v3.12-rc4","v3.11-rc7","v3.11-rc2","v3.11-rc5","v3.11-rc1","v3.11-rc3","v3.11-rc4","v3.11-rc6","v3.10-rc2","v3.10","v3.10-rc7","v3.10-rc6","v3.10-rc1","v3.10-rc5","v3.10-rc3","v3.10-rc4","v3.9","v3.9-rc2","v3.9-rc7","v3.9-rc8","v3.9-rc3","v3.9-rc6","v3.9-rc5","v3.9-rc4","v3.9-rc1","v3.8","v3.8-rc7","v3.8-rc6","v3.8-rc5","v3.8-rc2","v3.8-rc1","v3.8-rc3","v3.8-rc4","v3.7","v3.7-rc1",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