Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-49708

17
FAUCET Score

CVE-2022-49708 is a kernel BUG_ON vulnerability in the ext4 filesystem of the Linux kernel, specifically within the ext4_mb_use_inode_pa function. This flaw can lead to a denial of service (system crash) due to an assertion failure during block allocation. Rated Medium severity (CVSS 5.5), it requires local access and low privileges to exploit, with no user interaction needed. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.2.89, < 3.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.10.107, < 3.11CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.12.72, < 3.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.16.44, < 3.17CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.1.40, < 4.2CPE 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
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 77th 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 (3)

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 9Fixed in: kernel-0:5.14.0-162.6.1.el9_1
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-49708Moderate

kernel: ext4: fix bug_on ext4_mb_use_inode_pa

Feb 26, 2025

References

git.kernel.org / stable/c/5707d721d1819db57dba57b1d4623034fcb32047
Patch
git.kernel.org / stable/c/6880fb2e64331b9fdc85d3f32b1d7e81ad8703f1
Patch
git.kernel.org / stable/c/6fdaf31ad5f3d3afab744dfd9a8b0d9142aa881f
Patch
git.kernel.org / stable/c/887a3e9ad4b8309a2266bce7ae749b2bf1f7a687
Patch
git.kernel.org / stable/c/90f0f9d45dff0128c0fca0d2358c4153b024afa6
Patch
git.kernel.org / stable/c/a08f789d2ab5242c07e716baf9a835725046be89
Patch
git.kernel.org / stable/c/a37c1359714da42517dd19d36fc3c4d17edba832
Patch
git.kernel.org / stable/c/a6b31616e5afe1d3972cb0682a373e50597faf5c
Patch