cbcvebase.
CVE-2025-22062
published 2025-04-16

CVE-2025-22062: In the Linux kernel, the following vulnerability has been resolved: sctp: add mutual exclusion in proc_sctp_do_udp_port() We must serialize calls to…

PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.26%
17.5th percentile
In the Linux kernel, the following vulnerability has been resolved: sctp: add mutual exclusion in proc_sctp_do_udp_port() We must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start() or risk a crash as syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f] CPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:kernel_sock_shutdown+0x47/0x70 net/socket.c:3653 Call Trace: udp_tunnel_sock_release+0x68/0x80 net/ipv4/udp_tunnel_core.c:181 sctp_udp_sock_stop+0x71/0x160 net/sctp/protocol.c:930 proc_sctp_do_udp_port+0x264/0x450 net/sctp/sysctl.c:553 proc_sys_call_handler+0x3d0/0x5b0 fs/proc/proc_sysctl.c:601 iter_file_splice_write+0x91c/0x1150 fs/splice.c:738 do_splice_from fs/splice.c:935 [inline] direct_splice_actor+0x18f/0x6c0 fs/splice.c:1158 splice_direct_to_actor+0x342/0xa30 fs/splice.c:1102 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x174/0x240 fs/splice.c:1227 do_sendfile+0xafd/0xe50 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64 fs/read_write.c:1415 [inline] __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]

Affected

21 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.140-1 (bookworm)linux 6.1.140-1 (bookworm)
debianlinux-6.1< linux 6.1.140-1 (bookworm)linux 6.1.140-1 (bookworm)
linuxlinux
linuxlinux>= 046c052b475e7119b6a30e3483e2888fc606a2f8 < 65ccb2793da7401772a3ffe85355c831b313c59f65ccb2793da7401772a3ffe85355c831b313c59f
linuxlinux>= 046c052b475e7119b6a30e3483e2888fc606a2f8 < 386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d
linuxlinux>= 046c052b475e7119b6a30e3483e2888fc606a2f8 < b3598f53211ba1025485306de2733bdd241311a3b3598f53211ba1025485306de2733bdd241311a3
linuxlinux>= 046c052b475e7119b6a30e3483e2888fc606a2f8 < e5178bfc55b3a78000f0f8298e7ade88783ce581e5178bfc55b3a78000f0f8298e7ade88783ce581
linuxlinux>= 046c052b475e7119b6a30e3483e2888fc606a2f8 < efb8cb487be8f4ba6aaef616011d702d6a083ed1efb8cb487be8f4ba6aaef616011d702d6a083ed1
linuxlinux>= 046c052b475e7119b6a30e3483e2888fc606a2f8 < d3d7675d77622f6ca1aae14c51f80027b36283f8d3d7675d77622f6ca1aae14c51f80027b36283f8
linuxlinux>= 046c052b475e7119b6a30e3483e2888fc606a2f8 < 10206302af856791fbcc27a33ed3c3eb09b2793d10206302af856791fbcc27a33ed3c3eb09b2793d
linuxlinux_kernel>= 0 < 6.1.140-16.1.140-1
linuxlinux_kernel>= 0 < 6.12.25-16.12.25-1
linuxlinux_kernel>= 0 < 6.12.25-16.12.25-1
linuxlinux_kernel>= 0 < 5.15.0-144.1575.15.0-144.157
linuxlinux_kernel>= 0 < 6.8.0-86.876.8.0-86.87
linuxlinux_kernel>= 0 < 6.14.0-22.226.14.0-22.22
linuxlinux_kernel>= 5.11 < 6.12.236.12.23
linuxlinux_kernel>= 6.13 < 6.13.116.13.11
linuxlinux_kernel>= 6.14 < 6.14.26.14.2
msrcazl3_kernel_6.6.92.2-1_on_azure_linux_3.0
msrccbl2_kernel_5.15.182.1-1_on_cbl_mariner_2.0

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian5.5MEDIUM
vendor_msrc5.5MEDIUM
vendor_redhat5.5MEDIUM
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