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CVE-2023-52813

17
FAUCET Score

CVE-2023-52813 is a hungtask vulnerability in the Linux kernel's crypto subsystem, specifically affecting the pcrypt module. This flaw can lead to a system freeze (kernel panic) when handling parallel cryptographic operations under certain conditions. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring local privileges, and resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.34, < 4.14.331CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.300CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.20, < 5.4.262CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.5, < 5.10.202CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.140CPE 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
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
20.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.8.1.rt7.349.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.8.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-503.11.1.el9_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: kernel-0:5.14.0-427.68.1.el9_4
View patch
oraclevendor investigatingvia oracle_oval
Product: cpe:/a:oracle:linux:6:10:UEKR4_ELS
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2023-52813Low

kernel: crypto: pcrypt - Fix hungtask for PADATA_RESET

May 21, 2024
oracleoval:com.oracle.ovmsa:def:20240010IMPORTANT

OVMSA-2024-0010: Unbreakable Enterprise kernel security update (IMPORTANT)

References

git.kernel.org / stable/c/039fec48e062504f14845124a1a25eb199b2ddc0
Patch
git.kernel.org / stable/c/372636debe852913529b1716f44addd94fff2d28
Patch
git.kernel.org / stable/c/546c1796ad1ed0d87dab3c4b5156d75819be2316
Patch
git.kernel.org / stable/c/8f4f68e788c3a7a696546291258bfa5fdb215523
Patch
git.kernel.org / stable/c/c55fc098fd9d2dca475b82d00ffbcaf97879d77e
Patch
git.kernel.org / stable/c/c9c1334697301c10e6918d747ed38abfbc0c96e7
Patch
git.kernel.org / stable/c/e134f3aba98e6c801a693f540912c2d493718ddf
Patch
git.kernel.org / stable/c/e97bf4ada7dddacd184c3e196bd063b0dc71b41d
Patch
git.kernel.org / stable/c/fb2d3a50a8f29a3c66682bb426144f40e32ab818
Patch