cbcvebase.
CVE-2024-43873
published 2024-08-21

CVE-2024-43873: In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: always initialize seqpacket_allow There are two issues around seqpacket_allow…

PriorityP335high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.22%
12.2th percentile
In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: always initialize seqpacket_allow There are two issues around seqpacket_allow: 1. seqpacket_allow is not initialized when socket is created. Thus if features are never set, it will be read uninitialized. 2. if VIRTIO_VSOCK_F_SEQPACKET is set and then cleared, then seqpacket_allow will not be cleared appropriately (existing apps I know about don't usually do this but it's legal and there's no way to be sure no one relies on this). To fix: - initialize seqpacket_allow after allocation - set it unconditionally in set_features

Affected

21 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.106-1 (bookworm)linux 6.1.106-1 (bookworm)
debianlinux-6.1< linux 6.1.106-1 (bookworm)linux 6.1.106-1 (bookworm)
linuxlinux
linuxlinux>= ced7b713711fdd8f99d8d04dc53451441d194c60 < ea558f10fb05a6503c6e655a1b7d81fdf8e5924cea558f10fb05a6503c6e655a1b7d81fdf8e5924c
linuxlinux>= ced7b713711fdd8f99d8d04dc53451441d194c60 < 3062cb100787a9ddf45de30004b962035cd497fb3062cb100787a9ddf45de30004b962035cd497fb
linuxlinux>= ced7b713711fdd8f99d8d04dc53451441d194c60 < 30bd4593669443ac58515e23557dc8cef70d858230bd4593669443ac58515e23557dc8cef70d8582
linuxlinux>= ced7b713711fdd8f99d8d04dc53451441d194c60 < eab96e8716cbfc2834b54f71cc9501ad4eec963beab96e8716cbfc2834b54f71cc9501ad4eec963b
linuxlinux>= ced7b713711fdd8f99d8d04dc53451441d194c60 < 1e1fdcbdde3b7663e5d8faeb2245b9b151417d221e1fdcbdde3b7663e5d8faeb2245b9b151417d22
linuxlinux_kernel>= 0 < 6.1.106-16.1.106-1
linuxlinux_kernel>= 0 < 6.10.3-16.10.3-1
linuxlinux_kernel>= 0 < 6.10.3-16.10.3-1
linuxlinux_kernel>= 0 < 5.15.0-125.1355.15.0-125.135
linuxlinux_kernel>= 0 < 6.8.0-50.516.8.0-50.51
linuxlinux_kernel>= 5.14 < 5.15.1655.15.165
linuxlinux_kernel>= 5.16 < 6.1.1036.1.103
linuxlinux_kernel>= 6.2 < 6.6.446.6.44
linuxlinux_kernel>= 6.7 < 6.10.36.10.3
msrccbl2_kernel_5.15.164.1-1_on_cbl_mariner_2.0
msrccbl2_kernel_5.15.167.1-1_on_cbl_mariner_2.0
msrccbl_mariner_2.0_arm
msrccbl_mariner_2.0_x64

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian7.8HIGH
vendor_msrc7.8HIGH
vendor_redhat7.8HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.