7.1

CVE-2023-53521: scsi: ses: Fix slab-out-of-bounds in ses_intf_remove()

Analyzed
AliasesRHBA-2025:0725UBUNTU-CVE-2023-53521DEBIAN-CVE-2023-53521
Published 01-10-2025Last modified 11-05-2026

Vulnerability summary

CVE-2023-53521 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.4% 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 (NVD)
EPSS score
0.15%
0%100%
Low · 0.00 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 8 · Related 5
RHSA-2023:6583RHSA-2023:7077RHSA-2024:10772SUSE-SU-2025:03614-1SUSE-SU-2025:03615-1SUSE-SU-2025:03628-1

Timeline

  1. 01-10-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in ses_intf_remove() A fix for: BUG: KASAN: slab-out-of-bounds in ses_intf_remove+0x23f/0x270 [ses] Read of size 8 at addr ffff88a10d32e5d8 by task rmmod/12013 When edev->components is zero, accessing edev->component[0] members is wrong.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.15% 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.

Ubuntu122 products
  • linuxAll versions (No fix recorded) | < 5.4.0-152.169 | < 5.15.0-75.82
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1104.112 | < 5.15.0-1038.43
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Redhat24 products
  • bpftool< 0:4.18.0-193.144.1.el8_2
  • bpftool-debuginfo< 0:4.18.0-193.144.1.el8_2
  • kernel< 0:4.18.0-193.144.1.el8_2
  • kernel-abi-whitelists< 0:4.18.0-193.144.1.el8_2
  • kernel-core< 0:4.18.0-193.144.1.el8_2
Linux2 products
  • linux≥ 9927c68864e9c39cc317b4f559309ba29e642168, < 76f7050537476ac062ec23a544fbca8270f2d08b | ≥ 9927c68864e9c39cc317b4f559309ba29e642168, < 87e47be38d205df338c52ead43f23b2864567423 | ≥ 9927c68864e9c39cc317b4f559309ba29e642168, < 40af9a6deed723485e05b7d3255a28750692e8db | ≥ 9927c68864e9c39cc317b4f559309ba29e642168, < 8f9542cad6c27297c8391de3a659f0b7948495d0 | ≥ 9927c68864e9c39cc317b4f559309ba29e642168, < 0595cdb587726b4f0fa780eb7462e3679d141e82 | ≥ 9927c68864e9c39cc317b4f559309ba29e642168, < 82143faf01dda831b89eccef60c39ef8575ab08a | ≥ 9927c68864e9c39cc317b4f559309ba29e642168, < 2fb1fa8425cce2dc4dce298275d22d7077694b73 | ≥ 9927c68864e9c39cc317b4f559309ba29e642168, < 578797f0c8cbc2e3ec5fc0dab87087b4c7073686 | 2.6.25
  • linux_kernel≥ 2.6.25, < 4.14.308 | ≥ 4.15, < 4.19.276 | ≥ 4.20, < 5.4.235 | ≥ 5.5, < 5.10.173 | ≥ 5.11, < 5.15.99 | ≥ 5.16, < 6.1.16 | ≥ 6.2, < 6.2.3
Debian1 product
  • linux< 6.1.20-1

4 vendors · 149 products

References

18 links
Show all 18 references