CVE-2023-7324

Kernel memory disclosure and crash via SES parsing

Published Oct 29, 2025 · Updated Oct 29, 2025

Out-of-bounds access in Linux kernel SES code allows adjacent attackers to disclose kernel memory or crash hosts running affected branches. ses_enclosure_data_process() advances addl_desc_ptr using a device-supplied page 10 descriptor length without first ensuring the pointer and referenced fields remain inside the page buffer. Reachability requires a rogue or compromised SES-capable storage enclosure on the adjacent storage fabric; successful access exposes kernel memory or interrupts the host.

CVSS severity8.1
High
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds access in Linux kernel SES code allows adjacent attackers to disclose kernel memory or crash hosts running affected branches. ses_enclosure_data_process() advances addl_desc_ptr using a device-supplied page 10 descriptor length without first ensuring the pointer and referenced fields remain inside the page buffer. Reachability requires a rogue or compromised SES-capable storage enclosure on the adjacent storage fabric; successful access exposes kernel memory or interrupts the host.

The record

CVE
CVE-2023-7324
Published
Oct 29, 2025
Updated
Oct 29, 2025
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499.004
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 29, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <27067c672980b497cc34048b69b12820851ac6b9
  2. Affected versionversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <2ecd344173a5663d523433819da0484cb268b186
  3. Affected versionversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <384aa697d8f2a28b5e962f5292cdfd2e528b5df7
  4. Affected versionversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8e454aba72805241239caf8ba9b8e5a6be772b96
  5. Affected versionversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <a156a262c543fa5ff30bcb2fc6ad1a95cb4ab57a
  6. Affected versionversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <af5114d824f3511a69d68beff49ca9a7c32d44e0
  7. Affected versionversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b91ef85a32fdba45fcbad87dd526d73d3b6d857d
  8. Affected versionversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <db95d4df71cb55506425b6e4a5f8d68e3a765b63

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <27067c672980b497cc34048b69b12820851ac6b9; version=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <2ecd344173a5663d523433819da0484cb268b186; version=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <384aa697d8f2a28b5e962f5292cdfd2e528b5df7; version=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8e454aba72805241239caf8ba9b8e5a6be772b96; version=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <a156a262c543fa5ff30bcb2fc6ad1a95cb4ab57a; version=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <af5114d824f3511a69d68beff49ca9a7c32d44e0; version=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <b91ef85a32fdba45fcbad87dd526d73d3b6d857d; version=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <db95d4df71cb55506425b6e4a5f8d68e3a765b63

Published CVSS scores

8.1LinuxCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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