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CVE-2022-50673

12
FAUCET Score

CVE-2022-50673 is a use-after-free vulnerability in the Linux kernel's ext4 filesystem, specifically within the ext4_orphan_cleanup function. This flaw can lead to system instability, such as a kernel crash, during filesystem operations like mounting. While no CVSS score is available, the issue's nature suggests a local attack vector with moderate complexity, potentially leading to denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
LinuxLinux
4.10CNA affecteddefault affected
LinuxLinux
>= 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13, < 026a4490b5381229a30f23d073b58e8e35ee6858, >= 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13, < 7223d5e75f26352354ea2c0ccf8b579821b52adf, >= 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13, < 7908b8a541b1578cc61b4da7f19b604a931441da, >= 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13, < 7f801a1593cb957f73659732836b2dafbdfc7709, >= 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13, < a71248b1accb2b42e4980afef4fa4a27fa0e36f5, >= 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13, < c2bdbd4c69308835d1b6f6ba74feeccbfe113478, >= 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13, < cf0e0817b0f925b70d101d7014ea81b7094e1159CNA affecteddefault unaffected

CVSS Data

CVSS data has not been published for this CVE.

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
13.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15

Social Chatter

Media Mentions

No media coverage found for this CVE.

Remediation

Patch Available

Vendor Patches (18)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-553.104.1.rt7.445.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-553.104.1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: kernel-0:4.18.0-193.185.1.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: kernel-0:4.18.0-305.186.1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnFixed in: kernel-0:4.18.0-305.186.1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: kernel-0:4.18.0-372.179.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: kernel-0:4.18.0-372.179.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-372.179.1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceFixed in: kernel-0:4.18.0-477.130.1.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-477.130.1.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-427.13.1.el9_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: kernel-0:5.14.0-70.165.1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: kernel-rt-0:5.14.0-70.165.1.rt21.237.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: kernel-0:5.14.0-284.158.1.el9_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: kernel-rt-0:5.14.0-284.158.1.rt14.443.el9_2
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-50673Moderate

kernel: ext4: fix use-after-free in ext4_orphan_cleanup

Dec 9, 2025

References

git.kernel.org / stable/c/026a4490b5381229a30f23d073b58e8e35ee6858
git.kernel.org / stable/c/7223d5e75f26352354ea2c0ccf8b579821b52adf
git.kernel.org / stable/c/7908b8a541b1578cc61b4da7f19b604a931441da
git.kernel.org / stable/c/7f801a1593cb957f73659732836b2dafbdfc7709
git.kernel.org / stable/c/a71248b1accb2b42e4980afef4fa4a27fa0e36f5
git.kernel.org / stable/c/c2bdbd4c69308835d1b6f6ba74feeccbfe113478
git.kernel.org / stable/c/cf0e0817b0f925b70d101d7014ea81b7094e1159