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CVE-2022-3595

21
FAUCET Score

CVE-2022-3595 is a double free vulnerability in the Linux Kernel's CIFS handler, specifically within the sess_free_buffer function in fs/cifs/sess.c. This flaw, rated Medium severity with a CVSS score of 5.5, allows a local attacker to cause a denial of service (system crash) with low attack complexity and no user interaction. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
19.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 75th 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 (4)

microsoftpatch availablevia msrc
Product: 18582-16820Fixed in: 5.10.149.1-1
microsoftpatch availablevia msrc
Product: 18532-16823Fixed in: 5.15.82.1-1
microsoftpatch availablevia msrc
Product: cm1 kernel 5.10.149.1-1 on CBL Mariner 1.0Fixed in: 5.10.149.1-1
microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.82.1-1 on CBL Mariner 2.0Fixed in: 5.15.82.1-1

Vendor Advisories (2)

redhatCVE-2022-3595Moderate

kernel: A double free problem in sess_free_buffer in file fs/cifs/sess.c

Oct 14, 2022
microsoft2022-Oct/CVE-2022-3595Moderate

Linux Kernel CIFS sess.c sess_free_buffer double free

Oct 11, 2022

References

git.kernel.org / pub/scm/linux/kernel/git/stable/linux.git/commit
Mailing ListPatchVendor Advisory
vuldb.com
Third Party AdvisoryVDB Entry