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CVE-2022-26373

21
FAUCET Score

CVE-2022-26373 is a medium-severity information disclosure vulnerability affecting certain Intel Processors and Debian systems. It stems from non-transparent sharing of return predictor targets between different contexts, potentially allowing an authorized local user to access sensitive information. With a CVSS score of 5.5, this vulnerability requires local access and low attack complexity to achieve high confidentiality impact. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:xeon_platinum_8253_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:xeon_platinum_8256_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:xeon_platinum_8260_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:xeon_platinum_8260l_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:intel:xeon_platinum_8260m_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 85th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-1160.80.1.rt56.1225.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-1160.80.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-425.3.1.rt7.213.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-425.3.1.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: kernel-0:4.18.0-372.41.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-162.6.1.el9_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt-0:5.14.0-162.6.1.rt21.168.el9_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: kernel-0:5.14.0-70.36.1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: kernel-rt-0:5.14.0-70.36.1.rt21.108.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-372.41.1.el8_6
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2022-26373Moderate

hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions

Aug 9, 2022

References

lists.debian.org / debian-lts-announce/2022/09/msg00011.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2022/10/msg00000.html
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20221007-0005
Third Party Advisory
intel.com / content/www/us/en/security-center/advisory/intel-sa-00706.html
Vendor Advisory