Answer in brief
CVE-2023-53078 records a Medium severity (CVSS 5.5) vulnerability in scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:4.11:-:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:4.11:rc5:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:4.11:rc6:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:4.11:rc7:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:4.11:rc8:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=625fe857e4fac6518716f3c0ff5e5deb8ec6d238 <123483df146492ca22b503ae6dacc2ce7c3a3974 || >=625fe857e4fac6518716f3c0ff5e5deb8ec6d238 <c110051d335ef7f62ad33474b0c23997fee5bfb5 || >=625fe857e4fac6518716f3c0ff5e5deb8ec6d238 <5c4d71424df34fc23dc5336d09394ce68c849542 || >=625fe857e4fac6518716f3c0ff5e5deb8ec6d238 <c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8 || >=625fe857e4fac6518716f3c0ff5e5deb8ec6d238 <9311e7a554dffd3823499e309a8b86a5cd1540e5 || >=625fe857e4fac6518716f3c0ff5e5deb8ec6d238 <1c55982beb80c7d3c30278fc6cfda8496a31dbe6 || >=625fe857e4fac6518716f3c0ff5e5deb8ec6d238 <0d89254a4320eb7de0970c478172f764125c6355 || >=625fe857e4fac6518716f3c0ff5e5deb8ec6d238 <a13faca032acbf2699293587085293bdfaafc8ae || 68b275b7cbf065a8ea9b964cbb7d78d2b63c635f || 2b1725d1df362499f6bbd5a7e245a4090b29c2bb || >=4.9.21 <4.10 || >=4.10.9 <4.11 | 123483df146492ca22b503ae6dacc2ce7c3a3974, c110051d335ef7f62ad33474b0c23997fee5bfb5, 5c4d71424df34fc23dc5336d09394ce68c849542, c09cdf6eb815ee35e55d6c50ac7f63db58bd20b8, 9311e7a554dffd3823499e309a8b86a5cd1540e5, 1c55982beb80c7d3c30278fc6cfda8496a31dbe6, 0d89254a4320eb7de0970c478172f764125c6355, a13faca032acbf2699293587085293bdfaafc8ae, 4.10, 4.11 |
| Linux/Linuxgeneric | 4.11 | Not reported |
Published upstream
May 2, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.