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CVE-2022-1508

22
FAUCET Score

CVE-2022-1508 is an out-of-bounds read vulnerability in the Linux kernel's io_uring module, affecting Linux kernel versions. A local attacker can exploit this flaw by triggering the io_read() function with specific parameters, leading to the disclosure of sensitive memory contents. With a CVSS score of 6.1 (MEDIUM), the attack requires local access and has low complexity, primarily impacting confidentiality and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
14.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 63rd 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 (6)

microsoftpatch availablevia msrc
Product: 18610-16820Fixed in: 5.10.144.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 5.10.144.1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 5.10.144.1-1
microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.144.1-1 on CBL Mariner 1.0Fixed in: 5.10.144.1-1
redhatpatch availablevia nvd_reference
View patch
ubuntupatch availablevia nvd_reference
View patch

Vendor Advisories (3)

microsoft2022-Sep/CVE-2022-1508

CVE-2022-1508

Sep 13, 2022
microsoft2022-Aug/CVE-2022-1508Moderate

An out-of-bounds read flaw was found in the Linux kernel’s io_uring module in the way a user triggers the io_read() function with some special parameters. This flaw allows a local user to read some memory out of bounds.

Aug 9, 2022
redhatCVE-2022-1508Moderate

kernel: out-of-bounds read in iov_iter_revert() in lib/iov_iter.c

Aug 23, 2021

References

access.redhat.com / security/cve/CVE-2022-1508
Issue TrackingThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
git.kernel.org / pub/scm/linux/kernel/git/torvalds/linux.git/commit
PatchThird Party Advisory
ubuntu.com / security/CVE-2022-1508
PatchThird Party Advisory