CVE-2024-49864

Source
https://nvd.nist.gov/vuln/detail/CVE-2024-49864
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49864.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-49864
Downstream
Related
Published
2024-10-21T18:01:07Z
Modified
2025-10-15T16:25:49.199131Z
Summary
rxrpc: Fix a race between socket set up and I/O thread creation
Details

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

rxrpc: Fix a race between socket set up and I/O thread creation

In rxrpcopensocket(), it sets up the socket and then sets up the I/O thread that will handle it. This is a problem, however, as there's a gap between the two phases in which a packet may come into rxrpcencaprcv() from the UDP packet but we oops when trying to wake the not-yet created I/O thread.

As a quick fix, just make rxrpcencaprcv() discard the packet if there's no I/O thread yet.

A better, but more intrusive fix would perhaps be to rearrange things such that the socket creation is done by the I/O thread.

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
a275da62e8c111b897b9cb73eb91df2f4e475ca5
Fixed
cdf4bbbdb956d7426f687f38757ebca2a2759a0f
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
a275da62e8c111b897b9cb73eb91df2f4e475ca5
Fixed
56e415202b8a17de6496f4023e545fcb66f118ec
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
a275da62e8c111b897b9cb73eb91df2f4e475ca5
Fixed
c64f5fc95e9612fdf75587c8e21e494e614c18e2
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
a275da62e8c111b897b9cb73eb91df2f4e475ca5
Fixed
bc212465326e8587325f520a052346f0b57360e6

Affected versions

v6.*

v6.1
v6.1-rc8
v6.10
v6.10-rc1
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.10.1
v6.10.10
v6.10.11
v6.10.12
v6.10.13
v6.10.2
v6.10.3
v6.10.4
v6.10.5
v6.10.6
v6.10.7
v6.10.8
v6.10.9
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.11.1
v6.11.2
v6.12-rc1
v6.2
v6.2-rc1
v6.2-rc2
v6.2-rc3
v6.2-rc4
v6.2-rc5
v6.2-rc6
v6.2-rc7
v6.2-rc8
v6.3
v6.3-rc1
v6.3-rc2
v6.3-rc3
v6.3-rc4
v6.3-rc5
v6.3-rc6
v6.3-rc7
v6.4
v6.4-rc1
v6.4-rc2
v6.4-rc3
v6.4-rc4
v6.4-rc5
v6.4-rc6
v6.4-rc7
v6.5
v6.5-rc1
v6.5-rc2
v6.5-rc3
v6.5-rc4
v6.5-rc5
v6.5-rc6
v6.5-rc7
v6.6
v6.6-rc1
v6.6-rc2
v6.6-rc3
v6.6-rc4
v6.6-rc5
v6.6-rc6
v6.6-rc7
v6.6.1
v6.6.10
v6.6.11
v6.6.12
v6.6.13
v6.6.14
v6.6.15
v6.6.16
v6.6.17
v6.6.18
v6.6.19
v6.6.2
v6.6.20
v6.6.21
v6.6.22
v6.6.23
v6.6.24
v6.6.25
v6.6.26
v6.6.27
v6.6.28
v6.6.29
v6.6.3
v6.6.30
v6.6.31
v6.6.32
v6.6.33
v6.6.34
v6.6.35
v6.6.36
v6.6.37
v6.6.38
v6.6.39
v6.6.4
v6.6.40
v6.6.41
v6.6.42
v6.6.43
v6.6.44
v6.6.45
v6.6.46
v6.6.47
v6.6.48
v6.6.49
v6.6.5
v6.6.50
v6.6.51
v6.6.52
v6.6.53
v6.6.54
v6.6.6
v6.6.7
v6.6.8
v6.6.9
v6.7
v6.7-rc1
v6.7-rc2
v6.7-rc3
v6.7-rc4
v6.7-rc5
v6.7-rc6
v6.7-rc7
v6.7-rc8
v6.8
v6.8-rc1
v6.8-rc2
v6.8-rc3
v6.8-rc4
v6.8-rc5
v6.8-rc6
v6.8-rc7
v6.9
v6.9-rc1
v6.9-rc2
v6.9-rc3
v6.9-rc4
v6.9-rc5
v6.9-rc6
v6.9-rc7

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.55
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.10.14
Type
ECOSYSTEM
Events
Introduced
6.11.0
Fixed
6.11.3