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CVE-2026-43252: Linux

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CVSS

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Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)

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Атакува се

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Време до експлоатация

    Описание

    Оригинално описание

    In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: in-kernel: always set ID as avail when rm endp Syzkaller managed to find a combination of actions that was generating this warning: WARNING: net/mptcp/pm_kernel.c:1074 at __mark_subflow_endp_available net/mptcp/pm_kernel.c:1074 [inline], CPU#1: syz.7.48/2535 WARNING: net/mptcp/pm_kernel.c:1074 at mptcp_pm_nl_fullmesh net/mptcp/pm_kernel.c:1446 [inline], CPU#1: syz.7.48/2535 WARNING: net/mptcp/pm_kernel.c:1074 at mptcp_pm_nl_set_flags_all net/mptcp/pm_kernel.c:1474 [inline], CPU#1: syz.7.48/2535 WARNING: net/mptcp/pm_kernel.c:1074 at mptcp_pm_nl_set_flags+0x5de/0x640 net/mptcp/pm_kernel.c:1538, CPU#1: syz.7.48/2535 Modules linked in: CPU: 1 UID: 0 PID: 2535 Comm: syz.7.48 Not tainted 6.18.0-03987-gea5f5e676cf5 #17 PREEMPT(voluntary) Hardware name: QEMU Ubuntu 25.10 PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014 RIP: 0010:__mark_subflow_endp_available net/mptcp/pm_kernel.c:1074 [inline] RIP: 0010:mptcp_pm_nl_fullmesh net/mptcp/pm_kernel.c:1446 [inline] RIP: 0010:mptcp_pm_nl_set_flags_all net/mptcp/pm_kernel.c:1474 [inline] RIP: 0010:mptcp_pm_nl_set_flags+0x5de/0x640 net/mptcp/pm_kernel.c:1538 Code: 89 c7 e8 c5 8c 73 fe e9 f7 fd ff ff 49 83 ef 80 e8 b7 8c 73 fe 4c 89 ff be 03 00 00 00 e8 4a 29 e3 fe eb ac e8 a3 8c 73 fe 90 <0f> 0b 90 e9 3d ff ff ff e8 95 8c 73 fe b8 a1 ff ff ff eb 1a e8 89 RSP: 0018:ffffc9001535b820 EFLAGS: 00010287 netdevsim0: tun_chr_ioctl cmd 1074025677 RAX: ffffffff82da294d RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc900096d0000 RSI: 00000000000006d6 RDI: 00000000000006d7 netdevsim0: linktype set to 823 RBP: ffff88802cdb2240 R08: 00000000000104ae R09: ffffffffffffffff R10: ffffffff82da27d4 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88801246d8c0 R14: ffffc9001535b8b8 R15: ffff88802cdb1800 FS: 00007fc6ac5a76c0(0000) GS:ffff8880f90c8000(0000) knlGS:0000000000000000 netlink: 'syz.3.50': att

    Засегнати продукти

    • Linux Linux: 027cca7029bee685a5ca5c4849be5a2c446ce046 преди d90d73ad183566c81320d453a223f610a280f210; cb24bdcdecba1c60169efb74d88900888df59907 преди 1b3ff4d88b508b73e2bbddb59356311efb7ba192; e255683c06df572ead96db5efb5d21be30c0efaa преди 7c1d221e475e3d8eb8ed4702392d43f8c5134d1f; e255683c06df572ead96db5efb5d21be30c0efaa преди 7e4d88e36e5d0b8ffda637999cbca64c81701a81; e255683c06df572ead96db5efb5d21be30c0efaa преди 4d480efd98e290c445f4ba476e4dcda5624b1aab; e255683c06df572ead96db5efb5d21be30c0efaa преди d191101dee25567c2af3b28565f45346c33d65f5; 47a049b38f567a2fbec76bc211ad7ad735519607; 6.1.107 преди 6.1.167; 6.6.48 преди 6.6.130; 6.10.7 преди 6.11
    • Linux Linux: 6.11; преди 6.11; 6.1.167 до 6.1.*; 6.6.130 до 6.6.*; 6.12.78 до 6.12.*; 6.18.16 до 6.18.*; 6.19.6 до 6.19.*; от 7.0 нататък

    История

    • 6 май 2026 Публикувано

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    Първоизточници

    CVE-2026-43252: Linux | freedomonline.bg