CVE-2023-53178

18

FAUCET Score

CVE-2023-53178 is a race condition vulnerability in the Linux kernel's zswap writeback mechanism, affecting Linux systems utilizing zswap. This flaw can lead to memory corruption where a swapped-out page is incorrectly swapped back in with data from a different page. With a CVSS score of 4.7 (Medium), it requires local access and high attack complexity, primarily impacting system availability through data corruption. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 3.11, < 6.1.30CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		>= 6.2, < 6.3.4CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel::::::::
		6.4CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel:6.4:rc1::::::
		6.4CPE matchmatch criteria	cpe:2.3:o:linux:linux_kernel:6.4:rc2::::::

CVSS Data

CVSS version used by this source: 3.1

4.7MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.0

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.10%

Probability of exploitation in next 30 days

EPSS Percentile

1.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0010 is in the 14th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (19)

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: kernel-rt-0:3.10.0-1160.144.1.rt56.1296.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: kernel-0:3.10.0-1160.144.1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.83.1.rt7.424.el8_10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.83.1.el8_10

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: kernel-0:4.18.0-193.178.1.el8_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: kernel-0:4.18.0-305.179.1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnFixed in: kernel-0:4.18.0-305.179.1.el8_4

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: kernel-0:4.18.0-372.168.1.el8_6

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: kernel-0:4.18.0-372.168.1.el8_6

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-372.168.1.el8_6

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceFixed in: kernel-0:4.18.0-477.118.1.el8_8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-477.118.1.el8_8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-503.11.1.el9_5

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: kernel-0:5.14.0-70.153.1.el9_0

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: kernel-rt-0:5.14.0-70.153.1.rt21.225.el9_0

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: kernel-0:5.14.0-284.146.1.el9_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: kernel-rt-0:5.14.0-284.146.1.rt14.431.el9_2

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: kernel-0:5.14.0-427.97.1.el9_4

redhatno patchvia redhat_api

Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

redhatCVE-2023-53178Moderate

kernel: mm: fix zswap writeback race condition

microsoft2025-Sep/CVE-2023-53178Moderate

mm: fix zswap writeback race condition

References

git.kernel.org / stable/c/04fc7816089c5a32c29a04ec94b998e219dfb946

Patch

git.kernel.org / stable/c/2cab13f500a6333bd2b853783ac76be9e4956f8a

Patch

git.kernel.org / stable/c/ba700ea13bf0105a4773c654f7d3bef8adb64ab2

Patch