CVE-2023-1032: canonical ubuntu_linux Double Free
Vulnerability summary
CVE-2023-1032 is a medium (CVSS 5.5) Double Free vulnerability in canonical ubuntu_linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities.
Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 08-01-2024PublishedVulnerability first disclosed.
- 27-08-2024Last modifiedVulnerability information updated.
Description
The Linux kernel io_uring IORING_OP_SOCKET operation contained a double free in function __sys_socket_file() in file net/socket.c. This issue was introduced in da214a475f8bd1d3e9e7a19ddfeb4d1617551bab and fixed in 649c15c7691e9b13cbe9bf6c65c365350e056067.
CVSS metrics
4 scores · 4 sources · 1 version- CVE.orgCNA4.7MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:HDiffers
- 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
0.27%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu48 products
- linux-allwinner-5.19< 5.19.0-1010.10~22.04.1
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.19< 5.19.0-1023.24~22.04.1
Canonical1 product
- ubuntu_linuxEOL22.04 | 22.10
Debian1 product
- linux< 6.1.20-1
Linux1 product
- linux_kernel≥ 5.19, < 6.3 | 6.3:rc1
The linux kernel organization1 product
- linux< 6.3~rc2
5 vendors · 52 products
References
8 links- www.openwall.com/lists/oss-security/2023/03/13/2Issue TrackingREPORTMailing ListThird Party Advisory
