CVE-2023-53839

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Source
https://cve.org/CVERecord?id=CVE-2023-53839
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53839.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-53839
Downstream
Related
Published
2025-12-09T01:29:55Z
Modified
2026-08-12T03:51:10Z
Summary
dccp: fix data-race around dp->dccps_mss_cache
Details

In the Linux kernel, the following vulnerability has been resolved:

dccp: fix data-race around dp->dccps_mss_cache

dccp_sendmsg() reads dp->dccps_mss_cache before locking the socket. Same thing in do_dccp_getsockopt().

Add READ_ONCE()/WRITE_ONCE() annotations, and change dccp_sendmsg() to check again dccps_mss_cache after socket is locked.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53839.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7c657876b63cb1d8a2ec06f8fc6c37bb8412e66c
Fixed
162fa1e3cfb62aa780d7c40c8cccb6c2f8bef7c1
Fixed
2bdc7f272b3a110a4e1fdee6c47c8d20f9b20817
Fixed
67eebc7a9217f999b779d46fba5312a716f0dc1d
Fixed
6d701c95ee6463abcbb6da543060d6e444554135
Fixed
f239c9e1d98b313435481b4926e8bdd06197e4d8
Fixed
a6ddc1c774874dc704f96a99d015dc759627bba7
Fixed
d1f38d313bdfc52fb2f662e66d0c60dd1cfe2384
Fixed
a47e598fbd8617967e49d85c49c22f9fc642704c

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53839.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2.6.14
Fixed
4.14.323
Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
4.19.292
Type
ECOSYSTEM
Events
Introduced
4.20.0
Fixed
5.4.254
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.191
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.127
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.46
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.4.11

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53839.json"