7.1

CVE-2023-1380: canonical ubuntu_linux Out-of-bounds Read

Modified
AliasesUBUNTU-CVE-2023-1380DEBIAN-CVE-2023-1380
Published 27-03-2023Last modified 18-09-2026

Vulnerability summary

CVE-2023-1380 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 16.20% chance of exploitation in the next 30 days, higher than 96.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
16.20%
0%100%
Medium · -0.33 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 43 · Related 35

Timeline

  1. 27-03-2023
    PublishedVulnerability first disclosed.
  2. 18-09-2026
    Last modifiedVulnerability information updated.

Description

A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux Kernel. This issue could occur when assoc_info->req_len data is bigger than the size of the buffer, defined as WL_EXTRA_BUF_MAX, leading to a denial of service.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

16.20%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

Decrease -0.33 pp

From 16.53% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu93 products
  • linux< 3.13.0-194.245 | < 4.4.0-241.275 | < 4.15.0-212.223 | < 5.4.0-150.167 | < 5.15.0-73.80
  • linux-allwinner-5.19< 5.19.0-1013.13~22.04.1
  • linux-aws< 4.4.0-1119.125 | < 4.4.0-1157.172 | < 4.15.0-1157.170 | < 5.4.0-1103.111 | < 5.15.0-1037.41
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Netapp5 products
Debian2 products
Canonical1 product
Linux1 product
  • linux_kernelEOL≥ 3.2.1, < 4.14.315 | ≥ 4.19, < 4.19.283 | ≥ 5.4, < 5.4.243 | ≥ 5.10, < 5.10.180 | ≥ 5.15, < 5.15.110 | ≥ 6.1, < 6.1.27 | ≥ 6.2, < 6.2.14 | 6.3 | 6.3:rc1 | 6.3:rc2 | 6.3:rc3 | 6.3:rc4 | 6.3:rc5 | 6.3:rc6 | 6.3:rc7
Redhat1 product

6 vendors · 103 products

References

30 links
Show all 30 references