CVE-2025-40284

Bluetooth: MGMT: cancel mesh send timer when hdev removed

CVE-2025-40284 is fixed in 73 products on 1 platform, first by DEBIAN-CVE-2025-40284, released December 6, 2025. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0015
4th percentile

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: cancel mesh send timer when hdev removed mesh_send_done timer is not canceled when hdev is removed, which causes crash if the timer triggers after hdev is gone. Cancel the timer when MGMT removes the hdev, like other MGMT timers. Should fix the BUG: sporadically seen by BlueZ test bot (in "Mesh - Send cancel - 1" test). Log: ------ BUG: KASAN: slab-use-after-free in run_timer_softirq+0x76b/0x7d0 ... Freed by task 36: kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x43/0x70 kfree+0x103/0x500 device_release+0x9a/0x210 kobject_put+0x100/0x1e0 vhci_release+0x18b/0x240 ------

Where it's fixed

ProductFixed inFixReleased
Linux
dtb-aarch64 · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-64kb · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-64kb · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-64kb · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-azure · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-debug · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-default · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-default · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-default-base · opensuse-leap 15.6 6.4.0-150600.23.84.1.150600.12.38.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.9.1.160000.2.6 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-default-base · sles 15.6 6.4.0-150600.23.84.1.150600.12.38.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.28.1.150700.17.19.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-default-base · sles 16.0 6.12.0-160000.9.1.160000.2.6 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-docs · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-docs · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-docs · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-kvmsmall · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-livepatch-SLE15-SP6_Update_10 · sles 15.6 14-150600.2.2 SUSE-SU-2026:1073-1 Mar 26, 2026
kernel-livepatch-SLE15-SP6_Update_12 · sles 15.6 13-150600.2.1 SUSE-SU-2026:1125-1 Mar 27, 2026
kernel-livepatch-SLE15-SP6_Update_13 · sles 15.6 11-150600.2.1 SUSE-SU-2026:1083-1 Mar 26, 2026
kernel-livepatch-SLE15-SP6_Update_14 · sles 15.6 7-150600.2.1 SUSE-SU-2026:1089-1 Mar 26, 2026
kernel-livepatch-SLE15-SP6_Update_15 · sles 15.6 7-150600.2.1 SUSE-SU-2026:1096-1 Mar 27, 2026
kernel-livepatch-SLE15-SP6_Update_17 · sles 15.6 2-150600.2.1 SUSE-SU-2026:1099-1 Mar 27, 2026
kernel-livepatch-SLE15-SP6_Update_19 · sles 15.6 1-150600.13.3.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-livepatch-SLE15-SP7-RT_Update_0 · sles 15.7 12-150700.3.1 SUSE-SU-2026:0939-1 Mar 22, 2026
kernel-livepatch-SLE15-SP7-RT_Update_1 · sles 15.7 12-150700.2.1 SUSE-SU-2026:0940-1 Mar 22, 2026
kernel-livepatch-SLE15-SP7-RT_Update_2 · sles 15.7 11-150700.2.1 SUSE-SU-2026:0951-1 Mar 22, 2026
kernel-livepatch-SLE15-SP7-RT_Update_6 · sles 15.7 3-150700.2.1 SUSE-SU-2026:0946-1 Mar 22, 2026
kernel-livepatch-SLE15-SP7-RT_Update_8 · sles 15.7 1-150700.1.3.1 SUSE-SU-2026:0278-1 Jan 23, 2026
kernel-livepatch-SLE15-SP7_Update_0 · sles 15.7 12-150700.3.33.1 SUSE-SU-2026:1125-1 Mar 27, 2026
kernel-livepatch-SLE15-SP7_Update_1 · sles 15.7 12-150700.2.1 SUSE-SU-2026:1101-1 Mar 27, 2026
kernel-livepatch-SLE15-SP7_Update_2 · sles 15.7 11-150700.2.1 SUSE-SU-2026:1132-1 Mar 27, 2026
kernel-livepatch-SLE15-SP7_Update_4 · sles 15.7 7-150700.2.1 SUSE-SU-2026:1096-1 Mar 27, 2026
kernel-livepatch-SLE15-SP7_Update_5 · sles 15.7 4-150700.2.1 SUSE-SU-2026:1099-1 Mar 27, 2026
kernel-livepatch-SLE15-SP7_Update_8 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-livepatch-SLE16_Update_0 · sles 16.0 8-160000.4.3 SUSE-SU-2026:20946-1 Mar 25, 2026
kernel-livepatch-SLE16_Update_1 · sles 16.0 6-160000.1.1 SUSE-SU-2026:20945-1 Mar 25, 2026
kernel-livepatch-SLE16_Update_2 · sles 16.0 4-160000.1.1 SUSE-SU-2026:20947-1 Mar 25, 2026
kernel-obs-build · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-obs-build · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-obs-qa · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-source · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-source · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-source · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-source · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-source-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-syms · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-syms · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-syms · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
kernel-syms-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-uek · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-doc · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-doc · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-tools · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-tools · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-zfcpdump · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.9.1 OPENSUSE-SU-2026:20145-1 Feb 2, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.9.1 SUSE-SU-2026:20220-1 Feb 2, 2026
linux · Debian 12.15 (bookworm) 6.1.159-1 DEBIAN-CVE-2025-40284 Dec 6, 2025
linux · Debian 13.5 (trixie) 6.12.63-1 DEBIAN-CVE-2025-40284 Dec 6, 2025
linux · Debian 14 6.17.9-1 DEBIAN-CVE-2025-40284 Dec 6, 2025

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