{
  "threat_severity" : "Moderate",
  "public_date" : "2024-05-30T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: ipv6: prevent NULL dereference in ip6_output()",
    "id" : "2284634",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2284634"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nipv6: prevent NULL dereference in ip6_output()\nAccording to syzbot, there is a chance that ip6_dst_idev()\nreturns NULL in ip6_output(). Most places in IPv6 stack\ndeal with a NULL idev just fine, but not here.\nsyzbot reported:\ngeneral protection fault, probably for non-canonical address 0xdffffc00000000bc: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x00000000000005e0-0x00000000000005e7]\nCPU: 0 PID: 9775 Comm: syz-executor.4 Not tainted 6.9.0-rc5-syzkaller-00157-g6a30653b604a #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nRIP: 0010:ip6_output+0x231/0x3f0 net/ipv6/ip6_output.c:237\nCode: 3c 1e 00 49 89 df 74 08 4c 89 ef e8 19 58 db f7 48 8b 44 24 20 49 89 45 00 49 89 c5 48 8d 9d e0 05 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 4c 8b 74 24 28 0f 85 61 01 00 00 8b 1b 31 ff\nRSP: 0018:ffffc9000927f0d8 EFLAGS: 00010202\nRAX: 00000000000000bc RBX: 00000000000005e0 RCX: 0000000000040000\nRDX: ffffc900131f9000 RSI: 0000000000004f47 RDI: 0000000000004f48\nRBP: 0000000000000000 R08: ffffffff8a1f0b9a R09: 1ffffffff1f51fad\nR10: dffffc0000000000 R11: fffffbfff1f51fae R12: ffff8880293ec8c0\nR13: ffff88805d7fc000 R14: 1ffff1100527d91a R15: dffffc0000000000\nFS:  00007f135c6856c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000020000080 CR3: 0000000064096000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n<TASK>\nNF_HOOK include/linux/netfilter.h:314 [inline]\nip6_xmit+0xefe/0x17f0 net/ipv6/ip6_output.c:358\nsctp_v6_xmit+0x9f2/0x13f0 net/sctp/ipv6.c:248\nsctp_packet_transmit+0x26ad/0x2ca0 net/sctp/output.c:653\nsctp_packet_singleton+0x22c/0x320 net/sctp/outqueue.c:783\nsctp_outq_flush_ctrl net/sctp/outqueue.c:914 [inline]\nsctp_outq_flush+0x6d5/0x3e20 net/sctp/outqueue.c:1212\nsctp_side_effects net/sctp/sm_sideeffect.c:1198 [inline]\nsctp_do_sm+0x59cc/0x60c0 net/sctp/sm_sideeffect.c:1169\nsctp_primitive_ASSOCIATE+0x95/0xc0 net/sctp/primitive.c:73\n__sctp_connect+0x9cd/0xe30 net/sctp/socket.c:1234\nsctp_connect net/sctp/socket.c:4819 [inline]\nsctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834\n__sys_connect_file net/socket.c:2048 [inline]\n__sys_connect+0x2df/0x310 net/socket.c:2065\n__do_sys_connect net/socket.c:2075 [inline]\n__se_sys_connect net/socket.c:2072 [inline]\n__x64_sys_connect+0x7a/0x90 net/socket.c:2072\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-09-24T00:00:00Z",
    "advisory" : "RHSA-2024:7001",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-09-24T00:00:00Z",
    "advisory" : "RHSA-2024:7000",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.22.1.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "release_date" : "2025-03-26T00:00:00Z",
    "advisory" : "RHSA-2025:3215",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.4",
    "package" : "kernel-0:5.14.0-427.61.1.el9_4"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Will not fix",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-36901\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36901\nhttps://lore.kernel.org/linux-cve-announce/2024053035-CVE-2024-36901-fb16@gregkh/T" ],
  "name" : "CVE-2024-36901",
  "csaw" : false
}