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Fencer Vulns
high 7.8

CVE-2023-49141 json

Improper isolation in some Intel(R) Processors stream cache mechanism may allow an authenticated user to potentially enable escalation of p…

published 2024-08-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-53148

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

Improper isolation in some Intel(R) Processors stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.

Patch / fix

  • intel-microcode Debian 12 3.20240514.1~deb12u1
  • intel-microcode Debian 14, Debian 13 3.20240514.1

debian advisories DEBIAN-CVE-2023-49141

  • intel-microcode Ubuntu 20.04 LTS 3.20240813.0ubuntu0.20.04.2
  • intel-microcode Ubuntu 22.04 LTS 3.20240813.0ubuntu0.22.04.2
  • intel-microcode Ubuntu 24.04 LTS 3.20240813.0ubuntu0.24.04.2
  • intel-microcode Ubuntu Pro 16.04 LTS 3.20240813.0ubuntu0.16.04.1+esm2
  • intel-microcode Ubuntu Pro 18.04 LTS 3.20240813.0ubuntu0.18.04.1+esm2

ubuntu advisories UBUNTU-CVE-2023-49141

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ucode-intel SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES for SAP 15 SP2 +20 more 20240813-150200.44.1
  • ucode-intel SLES for SAP 12 SP5, SLES 12 SP5 20240813-140.1
  • microcode_ctl SLES 11 SP4 LTSS EXTREME CORE 1.17-102.83.81.1

suse advisories SUSE-SU-2025:1032-1SUSE-SU-2024:3095-1SUSE-SU-2024:2941-1

  • ucode-intel openSUSE Tumbleweed 20240813-1.1

opensuse advisories openSUSE-SU-2024:14268-1

  • intel-ucode Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 20240813-r0

alpine advisories ALPINE-CVE-2023-49141

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 7.3 CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA 4.0 7.3 CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • n/a Intel(R) Processors stream cache mechanism
  • intel processors_stream_cache_mechanism

Classification

Weakness
  • CWE-1189 Improper Isolation of Shared Resources on System-on-a-Chip (SoC)

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.