CVE-2025-22062 (GCVE-0-2025-22062)

Vulnerability from cvelistv5 – Published: 2025-04-16 14:12 – Updated: 2025-11-03 19:41
VLAI?
Title
sctp: add mutual exclusion in proc_sctp_do_udp_port()
Summary
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: <TASK> 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]
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < 65ccb2793da7401772a3ffe85355c831b313c59f (git)
Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < 386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d (git)
Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < b3598f53211ba1025485306de2733bdd241311a3 (git)
Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < e5178bfc55b3a78000f0f8298e7ade88783ce581 (git)
Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < efb8cb487be8f4ba6aaef616011d702d6a083ed1 (git)
Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < d3d7675d77622f6ca1aae14c51f80027b36283f8 (git)
Affected: 046c052b475e7119b6a30e3483e2888fc606a2f8 , < 10206302af856791fbcc27a33ed3c3eb09b2793d (git)
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    Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.184 , ≤ 5.15.* (semver)
Unaffected: 6.1.140 , ≤ 6.1.* (semver)
Unaffected: 6.6.92 , ≤ 6.6.* (semver)
Unaffected: 6.12.23 , ≤ 6.12.* (semver)
Unaffected: 6.13.11 , ≤ 6.13.* (semver)
Unaffected: 6.14.2 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsctp: add mutual exclusion in proc_sctp_do_udp_port()\n\nWe must serialize calls to sctp_udp_sock_stop() and sctp_udp_sock_start()\nor risk a crash as syzbot reported:\n\nOops: general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]\nCPU: 1 UID: 0 PID: 6551 Comm: syz.1.44 Not tainted 6.14.0-syzkaller-g7f2ff7b62617 #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\n RIP: 0010:kernel_sock_shutdown+0x47/0x70 net/socket.c:3653\nCall Trace:\n \u003cTASK\u003e\n  udp_tunnel_sock_release+0x68/0x80 net/ipv4/udp_tunnel_core.c:181\n  sctp_udp_sock_stop+0x71/0x160 net/sctp/protocol.c:930\n  proc_sctp_do_udp_port+0x264/0x450 net/sctp/sysctl.c:553\n  proc_sys_call_handler+0x3d0/0x5b0 fs/proc/proc_sysctl.c:601\n  iter_file_splice_write+0x91c/0x1150 fs/splice.c:738\n  do_splice_from fs/splice.c:935 [inline]\n  direct_splice_actor+0x18f/0x6c0 fs/splice.c:1158\n  splice_direct_to_actor+0x342/0xa30 fs/splice.c:1102\n  do_splice_direct_actor fs/splice.c:1201 [inline]\n  do_splice_direct+0x174/0x240 fs/splice.c:1227\n  do_sendfile+0xafd/0xe50 fs/read_write.c:1368\n  __do_sys_sendfile64 fs/read_write.c:1429 [inline]\n  __se_sys_sendfile64 fs/read_write.c:1415 [inline]\n  __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1415\n  do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]"
        }
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/65ccb2793da7401772a3ffe85355c831b313c59f"
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          "url": "https://git.kernel.org/stable/c/386507cb6fb7cdef598ddcb3f0fa37e6ca9e789d"
        },
        {
          "url": "https://git.kernel.org/stable/c/b3598f53211ba1025485306de2733bdd241311a3"
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          "url": "https://git.kernel.org/stable/c/e5178bfc55b3a78000f0f8298e7ade88783ce581"
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          "url": "https://git.kernel.org/stable/c/efb8cb487be8f4ba6aaef616011d702d6a083ed1"
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          "url": "https://git.kernel.org/stable/c/10206302af856791fbcc27a33ed3c3eb09b2793d"
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    "cveId": "CVE-2025-22062",
    "datePublished": "2025-04-16T14:12:17.605Z",
    "dateReserved": "2024-12-29T08:45:45.813Z",
    "dateUpdated": "2025-11-03T19:41:45.338Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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