CVE-2023-53322: scsi: qla2xxx: Wait for io return on terminate rport
Vulnerability summary
CVE-2023-53322 is a high (CVSS 8.8) Use After Free vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.7% of scored vulnerabilities.
Not severe (CVSS 8.8, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 28 · Related 16Timeline
- 16-09-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Wait for io return on terminate rport System crash due to use after free. Current code allows terminate_rport_io to exit before making sure all IOs has returned. For FCP-2 device, IO's can hang on in HW because driver has not tear down the session in FW at first sign of cable pull. When dev_loss_tmo timer pops, terminate_rport_io is called and upper layer is about to free various resources. Terminate_rport_io trigger qla to do the final cleanup, but the cleanup might not be fast enough where it leave qla still holding on to the same resource. Wait for IO's to return to upper layer before resources are freed.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.21% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu123 products
- linuxAll versions (No fix recorded) | < 5.4.0-166.183 | < 5.15.0-86.96
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1113.123 | < 5.15.0-1047.52
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 715848ca6fffeb6362a50887d9c26245bd5dfba9, < 8a55556cd7e0220486163b1285ce11a8be2ce5fa | ≥ 715848ca6fffeb6362a50887d9c26245bd5dfba9, < 4647d2e88918a078359d1532d90c417a38542c9e | ≥ 715848ca6fffeb6362a50887d9c26245bd5dfba9, < d25fded78d88e1515439b3ba581684d683e0b6ab | ≥ 715848ca6fffeb6362a50887d9c26245bd5dfba9, < a9fe97fb7b4ee21bffb76f2acb05769bad27ae70 | ≥ 715848ca6fffeb6362a50887d9c26245bd5dfba9, < 079c8264ed9fea8cbcac01ad29040f901cbc3692 | ≥ 715848ca6fffeb6362a50887d9c26245bd5dfba9, < 90770dad1eb30967ebd8d37d82830bcf270b3293 | ≥ 715848ca6fffeb6362a50887d9c26245bd5dfba9, < 5bcdaafd92be6035ddc77fa76650cf9dd5b864c4 | ≥ 715848ca6fffeb6362a50887d9c26245bd5dfba9, < fc0cba0c7be8261a1625098bd1d695077ec621c9 | 2.6.34
- linux_kernel< 4.14.322 | ≥ 4.15, < 4.19.291 | ≥ 4.20, < 5.4.251 | ≥ 5.5, < 5.10.188 | ≥ 5.11, < 5.15.121 | ≥ 5.16, < 6.1.40 | ≥ 6.2, < 6.4.5
Debian1 product
- linux< 6.1.52-1 | < 6.4.11-1
3 vendors · 126 products