{"schema_version":"1.7.2","id":"OESA-2025-1923","modified":"2025-08-01T13:02:35Z","published":"2025-08-01T13:02:35Z","upstream":["CVE-2025-38212","CVE-2025-38324","CVE-2025-38391"],"summary":"kernel security update","details":"The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nipc: fix to protect IPCS lookups using RCU\n\nsyzbot reported that it discovered a use-after-free vulnerability, [0]\n\n[0]: https://lore.kernel.org/all/(CVE-2025-38212)\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmpls: Use rcu_dereference_rtnl() in mpls_route_input_rcu().\n\nAs syzbot reported [0], mpls_route_input_rcu() can be called\nfrom mpls_getroute(), where is under RTNL.\n\nnet->mpls.platform_label is only updated under RTNL.\n\nLet's use rcu_dereference_rtnl() in mpls_route_input_rcu() to\nsilence the splat.\n\n[0]:\nWARNING: suspicious RCU usage\n6.15.0-rc7-syzkaller-00082-g5cdb2c77c4c3 #0 Not tainted\n ----------------------------\nnet/mpls/af_mpls.c:84 suspicious rcu_dereference_check() usage!\n\nother info that might help us debug this:\n\nrcu_scheduler_active = 2, debug_locks = 1\n1 lock held by syz.2.4451/17730:\n #0: ffffffff9012a3e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]\n #0: ffffffff9012a3e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x371/0xe90 net/core/rtnetlink.c:6961\n\nstack backtrace:\nCPU: 1 UID: 0 PID: 17730 Comm: syz.2.4451 Not tainted 6.15.0-rc7-syzkaller-00082-g5cdb2c77c4c3 #0 PREEMPT(full)\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120\n lockdep_rcu_suspicious+0x166/0x260 kernel/locking/lockdep.c:6865\n mpls_route_input_rcu+0x1d4/0x200 net/mpls/af_mpls.c:84\n mpls_getroute+0x621/0x1ea0 net/mpls/af_mpls.c:2381\n rtnetlink_rcv_msg+0x3c9/0xe90 net/core/rtnetlink.c:6964\n netlink_rcv_skb+0x16d/0x440 net/netlink/af_netlink.c:2534\n netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]\n netlink_unicast+0x53a/0x7f0 net/netlink/af_netlink.c:1339\n netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1883\n sock_sendmsg_nosec net/socket.c:712 [inline]\n __sock_sendmsg net/socket.c:727 [inline]\n ____sys_sendmsg+0xa98/0xc70 net/socket.c:2566\n ___sys_sendmsg+0x134/0x1d0 net/socket.c:2620\n __sys_sendmmsg+0x200/0x420 net/socket.c:2709\n __do_sys_sendmmsg net/socket.c:2736 [inline]\n __se_sys_sendmmsg net/socket.c:2733 [inline]\n __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2733\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xcd/0x230 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7f0a2818e969\nCode: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f0a28f52038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133\nRAX: ffffffffffffffda RBX: 00007f0a283b5fa0 RCX: 00007f0a2818e969\nRDX: 0000000000000003 RSI: 0000200000000080 RDI: 0000000000000003\nRBP: 00007f0a28210ab1 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000000 R14: 00007f0a283b5fa0 R15: 00007ffce5e9f268\n </TASK>(CVE-2025-38324)\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: altmodes/displayport: do not index invalid pin_assignments\n\nA poorly implemented DisplayPort Alt Mode port partner can indicate\nthat its pin assignment capabilities are greater than the maximum\nvalue, DP_PIN_ASSIGN_F. In this case, calls to pin_assignment_show\nwill cause a BRK exception due to an out of bounds array access.\n\nPrevent for loop in pin_assignment_show from accessing\ninvalid values in pin_assignments by adding DP_PIN_ASSIGN_MAX\nvalue in typec_dp.h and using i < DP_PIN_ASSIGN_MAX as a loop\ncondition.(CVE-2025-38391)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP4","name":"kernel","purl":"pkg:rpm/openEuler/kernel&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.19.90-2507.4.0.0337.oe2003sp4"}]}],"ecosystem_specific":{"aarch64":["bpftool-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","bpftool-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","kernel-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","kernel-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","kernel-debugsource-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","kernel-devel-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","kernel-source-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","kernel-tools-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","kernel-tools-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","kernel-tools-devel-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","perf-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","perf-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","python2-perf-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","python2-perf-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","python3-perf-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm","python3-perf-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.aarch64.rpm"],"src":["kernel-4.19.90-2507.4.0.0337.oe2003sp4.src.rpm"],"x86_64":["bpftool-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","bpftool-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","kernel-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","kernel-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","kernel-debugsource-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","kernel-devel-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","kernel-source-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","kernel-tools-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","kernel-tools-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","kernel-tools-devel-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","perf-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","perf-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","python2-perf-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","python2-perf-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","python3-perf-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm","python3-perf-debuginfo-4.19.90-2507.4.0.0337.oe2003sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1923"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38212"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38324"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38391"}],"database_specific":{"severity":"High"}}