CVE-2023-53066: qed/qed_sriov: guard against NULL derefs from qed_iov_get_vf_info
Vulnerability summary
CVE-2023-53066 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 02-05-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: qed/qed_sriov: guard against NULL derefs from qed_iov_get_vf_info We have to make sure that the info returned by the helper is valid before using it. Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu115 products
- linuxAll versions (No fix recorded) | < 5.4.0-156.173 | < 5.15.0-79.86
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1107.115 | < 5.15.0-1042.47
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 733def6a04bf3d2810dd675e1240f8df94d633c3, < 7bd0037822fd04da13721f77a42ee5a077d4c5fb | ≥ 733def6a04bf3d2810dd675e1240f8df94d633c3, < 7742c08e012eb65405e8304d100641638c5ff882 | ≥ 733def6a04bf3d2810dd675e1240f8df94d633c3, < 42d72c6d1edc9dc09a5d6f6695d257fa9e9cc270 | ≥ 733def6a04bf3d2810dd675e1240f8df94d633c3, < 39c3b9dd481c3afce9439b29bafe00444cb4406b | ≥ 733def6a04bf3d2810dd675e1240f8df94d633c3, < e42d3bde4ec03c863259878dddaef5c351cca7ad | ≥ 733def6a04bf3d2810dd675e1240f8df94d633c3, < 97ea704f39b5ded96f071e98701aa543f6f89683 | ≥ 733def6a04bf3d2810dd675e1240f8df94d633c3, < b224b0cab3a66e93d414825065a2e667a1d28c32 | ≥ 733def6a04bf3d2810dd675e1240f8df94d633c3, < 25143b6a01d0cc5319edd3de22ffa2578b045550 | 4.7
- linux_kernel≥ 4.7, < 4.14.312 | ≥ 4.15, < 4.19.280 | ≥ 4.20, < 5.4.240 | ≥ 5.5, < 5.10.177 | ≥ 5.11, < 5.15.105 | ≥ 5.16, < 6.1.22 | ≥ 6.2, < 6.2.9 | 6.3:rc1 | 6.3:rc2 | 6.3:rc3
Debian1 product
- linux< 6.1.25-1
3 vendors · 118 products