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Vulnerabilities
CVE-2025-40178
CVE-2025-40178
In the Linux kernel, the following vulnerability has been resolved: pid: Add a judgment for ns null in pid_nr_ns __task_pid_nr_ns ns = task_active_pid_ns(current); pid_nr_ns(rcu_dereference(*task_pid_ptr(task, type)), ns); if (pid && ns->level <= pid->level) { Sometimes null is returned for task_active_pid_ns. Then it will trigger kernel panic in pid_nr_ns. For example: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000058 Mem abort info: ESR = 0x0000000096000007 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x07: level 3 translation fault Data abort info: ISV = 0, ISS = 0x00000007, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 user pgtable: 4k pages, 39-bit VAs, pgdp=00000002175aa000 [0000000000000058] pgd=08000002175ab003, p4d=08000002175ab003, pud=08000002175ab003, pmd=08000002175be003, pte=0000000000000000 pstate: 834000c5 (Nzcv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __task_pid_nr_ns+0x74/0xd0 lr : __task_pid_nr_ns+0x24/0xd0 sp : ffffffc08001bd10 x29: ffffffc08001bd10 x28: ffffffd4422b2000 x27: 0000000000000001 x26: ffffffd442821168 x25: ffffffd442821000 x24: 00000f89492eab31 x23: 00000000000000c0 x22: ffffff806f5693c0 x21: ffffff806f5693c0 x20: 0000000000000001 x19: 0000000000000000 x18: 0000000000000000 x17: 00000000529c6ef0 x16: 00000000529c6ef0 x15: 00000000023a1adc x14: 0000000000000003 x13: 00000000007ef6d8 x12: 001167c391c78800 x11: 00ffffffffffffff x10: 0000000000000000 x9 : 0000000000000001 x8 : ffffff80816fa3c0 x7 : 0000000000000000 x6 : 49534d702d535449 x5 : ffffffc080c4c2c0 x4 : ffffffd43ee128c8 x3 : ffffffd43ee124dc x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffffff806f5693c0 Call trace: __task_pid_nr_ns+0x74/0xd0 ... __handle_irq_event_percpu+0xd4/0x284 handle_irq_event+0x48/0xb0 handle_fasteoi_irq+0x160/0x2d8 generic_handle_domain_irq+0x44/0x60 gic_handle_irq+0x4c/0x114 call_on_irq_stack+0x3c/0x74 do_interrupt_handler+0x4c/0x84 el1_interrupt+0x34/0x58 el1h_64_irq_handler+0x18/0x24 el1h_64_irq+0x68/0x6c account_kernel_stack+0x60/0x144 exit_task_stack_account+0x1c/0x80 do_exit+0x7e4/0xaf8 ... get_signal+0x7bc/0x8d8 do_notify_resume+0x128/0x828 el0_svc+0x6c/0x70 el0t_64_sync_handler+0x68/0xbc el0t_64_sync+0x1a8/0x1ac Code: 35fffe54 911a02a8 f9400108 b4000128 (b9405a69) ---[ end trace 0000000000000000 ]--- Kernel panic - not syncing: Oops: Fatal exception in interrupt
Components Impacted
Components Impacted
Security Details
Security Details
Sonatype Research
Sonatype Research
Ecosystem
Package
Version
rpm
kernel
2.6.32-131.0.15.el6
rpm
kernel
2.6.32-131.12.1.el6
rpm
kernel
2.6.32-131.17.1.el6
rpm
kernel
2.6.32-131.2.1.el6
rpm
kernel
2.6.32-131.21.1.el6
rpm
kernel
2.6.32-131.4.1.el6
rpm
kernel
2.6.32-131.6.1.el6
rpm
kernel
2.6.32-220.13.1.el6
rpm
kernel
2.6.32-220.17.1.el6
rpm
kernel
2.6.32-220.2.1.el6
rpm
kernel
2.6.32-220.23.1.el6
rpm
kernel
2.6.32-220.4.1.el6
rpm
kernel
2.6.32-220.4.2.el6
rpm
kernel
2.6.32-220.7.1.el6
rpm
kernel
2.6.32-220.el6
rpm
kernel
2.6.32-279.1.1.el6
rpm
kernel
2.6.32-279.11.1.el6
rpm
kernel
2.6.32-279.14.1.el6
rpm
kernel
2.6.32-279.19.1.el6
rpm
kernel
2.6.32-279.2.1.el6
rpm
kernel
2.6.32-279.22.1.el6
rpm
kernel
2.6.32-279.5.1.el6
rpm
kernel
2.6.32-279.5.2.el6
rpm
kernel
2.6.32-279.9.1.el6
rpm
kernel
2.6.32-279.el6
rpm
kernel
2.6.32-358.0.1.el6
rpm
kernel
2.6.32-358.11.1.el6
rpm
kernel
2.6.32-358.14.1.el6
rpm
kernel
2.6.32-358.18.1.el6
rpm
kernel
2.6.32-358.2.1.el6
rpm
kernel
2.6.32-358.23.2.el6
rpm
kernel
2.6.32-358.6.1.el6
rpm
kernel
2.6.32-358.6.2.el6
rpm
kernel
2.6.32-358.el6
rpm
kernel
2.6.32-431.1.2.el6
rpm
kernel
2.6.32-431.11.2.el6
rpm
kernel
2.6.32-431.17.1.el6
rpm
kernel
2.6.32-431.20.3.el6
rpm
kernel
2.6.32-431.20.5.el6
rpm
kernel
2.6.32-431.23.3.el6
rpm
kernel
2.6.32-431.29.2.el6
rpm
kernel
2.6.32-431.3.1.el6
rpm
kernel
2.6.32-431.5.1.el6
rpm
kernel
2.6.32-431.el6
rpm
kernel
2.6.32-504.1.3.el6
rpm
kernel
2.6.32-504.12.2.el6
rpm
kernel
2.6.32-504.16.2.el6
rpm
kernel
2.6.32-504.23.4.el6
rpm
kernel
2.6.32-504.3.3.el6
rpm
kernel
2.6.32-504.30.3.el6
1-50 of 718
Published Nov 13, 2025
https://lore.kernel.org/linux-cve-announce/2025111240-CVE-2025-40178-8673@gregkh/
CVSS Score
Medium
6.9
CVE-2025-40178 | Components Impacted | Sonatype Guide | Sonatype Guide
