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CVE-2022-49804

21
FAUCET Score

CVE-2022-49804 is a Linux kernel vulnerability affecting s390 architectures, stemming from a GCC compiler bug (fixed in GCC 9.1 and backported to 8.4+) that causes stack corruptions when building the kernel with older GCC versions. This vulnerability has a CVSS score of 7.8 (High), indicating a local attack vector with low complexity, potentially leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.18.1, < 6.0.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:-:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:rc3:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:rc4:*:*:*:*:*:*
5.18CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:5.18:rc5:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0017 is in the 28th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-570.12.1.el9_6
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49804Moderate

kernel: s390: avoid using global register for current_stack_pointer

May 1, 2025

References

git.kernel.org / stable/c/a478952a8ac44e32316dc046a063a7dc34825aa6
Patch
git.kernel.org / stable/c/e3c11025bcd2142a61abe5806b2f86a0e78118df
Patch