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CVE-2022-49552

17
FAUCET Score

CVE-2022-49552 is a medium-severity vulnerability in the Linux kernel's BPF (Berkeley Packet Filter) JIT (Just-In-Time) compiler. It arises from an incorrect interaction between JIT blinding and pointers to BPF subprograms, leading to a kernel page fault and system crash. An attacker with local access and low privileges could exploit this to cause a denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.13, < 5.17.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.18, < 5.18.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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:N/I:N/A:H

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

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 70th 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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-284.11.1.el9_2
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2022-49552Low

kernel: bpf: Fix combination of jit blinding and pointers to bpf subprogs.

Feb 26, 2025
microsoft2025-Feb/CVE-2022-49552Moderate

bpf: Fix combination of jit blinding and pointers to bpf subprogs.

Feb 11, 2025

References

git.kernel.org / stable/c/4b6313cf99b0d51b49aeaea98ec76ca8161ecb80
Patch
git.kernel.org / stable/c/a029b02b47dd5bb87a21550d9d9a80cb4dd3f714
Patch
git.kernel.org / stable/c/d106a3e96fca30e44081eae9c27aab28fc132a46
Patch