cbcvebase.
CVE-2025-21718
published 2025-02-27

CVE-2025-21718: In the Linux kernel, the following vulnerability has been resolved: net: rose: fix timer races against user threads Rose timers only acquire the socket…

PriorityP430high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.16%
5.9th percentile
In the Linux kernel, the following vulnerability has been resolved: net: rose: fix timer races against user threads Rose timers only acquire the socket spinlock, without checking if the socket is owned by one user thread. Add a check and rearm the timers if needed. BUG: KASAN: slab-use-after-free in rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174 Read of size 2 at addr ffff88802f09b82a by task swapper/0/0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-rc5-syzkaller-00172-gd1bf27c4e176 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174 call_timer_fn+0x187/0x650 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1844 [inline] __run_timers kernel/time/timer.c:2418 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049

Affected

26 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.129-1 (bookworm)linux 6.1.129-1 (bookworm)
debianlinux-6.1< linux 6.1.129-1 (bookworm)linux 6.1.129-1 (bookworm)
linuxlinux
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 52f5aff33ca73b2c2fa93f40a3de308012e63cf452f5aff33ca73b2c2fa93f40a3de308012e63cf4
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0d5bca3be27bfcf8f980f2fed49b6cbb7dafe4a10d5bca3be27bfcf8f980f2fed49b6cbb7dafe4a1
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1409b45d4690308c502c6caf22f01c3c205b47171409b45d4690308c502c6caf22f01c3c205b4717
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f55c88e3ca5939a6a8a329024aed8f3d98eea8e4f55c88e3ca5939a6a8a329024aed8f3d98eea8e4
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 51c128ba038cf1b79d605cbee325919b45ab95a551c128ba038cf1b79d605cbee325919b45ab95a5
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1992fb261c90e9827cf5dc3115d89bb0853252c91992fb261c90e9827cf5dc3115d89bb0853252c9
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 58051a284ac18a3bb815aac6289a679903ddcc3f58051a284ac18a3bb815aac6289a679903ddcc3f
linuxlinux>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5de7665e0a0746b5ad7943554b34db8f8614a1965de7665e0a0746b5ad7943554b34db8f8614a196
linuxlinux_kernel>= 0 < 5.10.237-15.10.237-1
linuxlinux_kernel>= 0 < 6.1.129-16.1.129-1
linuxlinux_kernel>= 0 < 6.12.13-16.12.13-1
linuxlinux_kernel>= 0 < 6.12.13-16.12.13-1
linuxlinux_kernel>= 0 < 5.4.0-216.2365.4.0-216.236
linuxlinux_kernel>= 0 < 5.15.0-140.1505.15.0-140.150
linuxlinux_kernel>= 0 < 6.8.0-64.676.8.0-64.67
linuxlinux_kernel>= 2.6.12 < 6.1.1296.1.129
linuxlinux_kernel>= 6.13 < 6.13.26.13.2
linuxlinux_kernel>= 6.2 < 6.6.766.6.76
linuxlinux_kernel>= 6.7 < 6.12.136.12.13
msrcazl3_kernel_6.6.64.2-9_on_azure_linux_3.0
msrcazl3_kernel_6.6.78.1-3_on_azure_linux_3.0
msrccbl2_kernel_5.15.179.1-1_on_cbl_mariner_2.0

CVSS provenance

nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian7.0HIGH
vendor_msrc7.0HIGH
vendor_redhat7.0HIGH
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