{"uuid": "06fa41fb-fb5f-4359-a701-33fb99f5accd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2024-53139", "type": "seen", "source": "https://t.me/cvedetector/11993", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2024-53139 - In the Linux kernel, the following vulnerability h\", \n  \"Content\": \"CVE ID : CVE-2024-53139 \nPublished : Dec. 4, 2024, 3:15 p.m. | 18\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \nsctp: fix possible UAF in sctp_v6_available()  \n  \nA lockdep report [1] with CONFIG_PROVE_RCU_LIST=y hints  \nthat sctp_v6_available() is calling dev_get_by_index_rcu()  \nand ipv6_chk_addr() without holding rcu.  \n  \n[1]  \n =============================  \n WARNING: suspicious RCU usage  \n 6.12.0-rc5-virtme #1216 Tainted: G        W  \n -----------------------------  \n net/core/dev.c:876 RCU-list traversed in non-reader section!!  \n  \nother info that might help us debug this:  \n  \nrcu_scheduler_active = 2, debug_locks = 1  \n 1 lock held by sctp_hello/31495:  \n #0: ffff9f1ebbdb7418 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind (./arch/x86/include/asm/jump_label.h:27 net/sctp/socket.c:315) sctp  \n  \nstack backtrace:  \n CPU: 7 UID: 0 PID: 31495 Comm: sctp_hello Tainted: G        W          6.12.0-rc5-virtme #1216  \n Tainted: [W]=WARN  \n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014  \n Call Trace:  \n    \n dump_stack_lvl (lib/dump_stack.c:123)  \n lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822)  \n dev_get_by_index_rcu (net/core/dev.c:876 (discriminator 7))  \n sctp_v6_available (net/sctp/ipv6.c:701) sctp  \n sctp_do_bind (net/sctp/socket.c:400 (discriminator 1)) sctp  \n sctp_bind (net/sctp/socket.c:320) sctp  \n inet6_bind_sk (net/ipv6/af_inet6.c:465)  \n ? security_socket_bind (security/security.c:4581 (discriminator 1))  \n __sys_bind (net/socket.c:1848 net/socket.c:1869)  \n ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:729 arch/x86/mm/fault.c:1340)  \n ? do_user_addr_fault (./arch/x86/include/asm/preempt.h:84 (discriminator 13) ./include/linux/rcupdate.h:98 (discriminator 13) ./include/linux/rcupdate.h:882 (discriminator 13) ./include/linux/mm.h:729 (discriminator 13) arch/x86/mm/fault.c:1340 (discriminator 13))  \n __x64_sys_bind (net/socket.c:1877 (discriminator 1) net/socket.c:1875 (discriminator 1) net/socket.c:1875 (discriminator 1))  \n do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1))  \n entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)  \n RIP: 0033:0x7f59b934a1e7  \n Code: 44 00 00 48 8b 15 39 8c 0c 00 f7 d8 64 89 02 b8 ff ff ff ff eb bd 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 31 00 00 00 0f 05 <483d 01 f0 ff ff 73 01 c3 48 8b 0d 09 8c 0c 00 f7 d8 64 89 01 48  \nAll code  \n========  \n   0: 44 00 00              add    %r8b,(%rax)  \n   3: 48 8b 15 39 8c 0c 00  mov    0xc8c39(%rip),%rdx        # 0xc8c43  \n   a: f7 d8                 neg    %eax  \n   c: 64 89 02              mov    %eax,%fs:(%rdx)  \n   f: b8 ff ff ff ff        mov    $0xffffffff,%eax  \n  14: eb bd                 jmp    0xffffffffffffffd3  \n  16: 66 2e 0f 1f 84 00 00  cs nopw 0x0(%rax,%rax,1)  \n  1d: 00 00 00  \n  20: 0f 1f 00              nopl   (%rax)  \n  23: b8 31 00 00 00        mov    $0x31,%eax  \n  28: 0f 05                 syscall  \n  2a:* 48 3d 01 f0 ff ff     cmp    $0xfffffffffffff001,%rax <--\nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"04 Dec 2024\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2024-12-04T16:45:26.000000Z"}