In the Linux kernel, the following vulnerability has been resolved:
can: isotp: isotp_sendmsg(): add result check for wait_event_interruptible()
Using wait_event_interruptible() to wait for complete transmission, but do not check the result of wait_event_interruptible() which can be interrupted. It will result in TX buffer has multiple accessors and the later process interferes with the previous process.
Following is one of the problems reported by syzbot.
============================================================= WARNING: CPU: 0 PID: 0 at net/can/isotp.c:840 isotp_tx_timer_handler+0x2e0/0x4c0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc7+ #68 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1 04/01/2014 RIP: 0010:isotp_tx_timer_handler+0x2e0/0x4c0 Call Trace: <IRQ> ? isotp_setsockopt+0x390/0x390 __hrtimer_run_queues+0xb8/0x610 hrtimer_run_softirq+0x91/0xd0 ? rcu_read_lock_sched_held+0x4d/0x80 __do_softirq+0xe8/0x553 irq_exit_rcu+0xf8/0x100 sysvec_apic_timer_interrupt+0x9e/0xc0 </IRQ> asm_sysvec_apic_timer_interrupt+0x12/0x20
Add result check for wait_event_interruptible() in isotp_sendmsg() to avoid multiple accessers for tx buffer.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | May 22, 2024 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Dec 5, 2024 | May 22, 2024 |
| Suse | — | Upgrade kernel-azure-develUpgrade dtb-sprdUpgrade kernel-azure-vdsoUpgrade kernel-source-azureUpgrade gfs2-kmp-azureUpgrade kernel-rt_debug-develUpgrade kernel-debug-vdsoUpgrade ocfs2-kmp-64kbUpgrade dtb-rockchipUpgrade kernel-kvmsmall-vdsoUpgrade kernel-default-livepatchUpgrade reiserfs-kmp-64kbUpgrade cluster-md-kmp-64kbUpgrade dtb-qcomUpgrade kernel-obs-buildUpgrade gfs2-kmp-defaultUpgrade dtb-socionextUpgrade kernel-rt-livepatch-develUpgrade dtb-exynosUpgrade kernel-azure-extraUpgrade kernel-rtUpgrade kselftests-kmp-azureUpgrade kernel-rt_debugUpgrade dlm-kmp-rtUpgrade kernel-docs-htmlUpgrade dtb-alteraUpgrade dtb-freescaleUpgrade kernel-rt-optionalUpgrade dlm-kmp-64kbUpgrade dtb-appleUpgrade dtb-nvidiaUpgrade kernel-debug-livepatch-develUpgrade reiserfs-kmp-rtUpgrade kernel-azure-optionalUpgrade dtb-broadcomUpgrade kernel-rt-extraUpgrade kernel-defaultUpgrade kernel-64kb-extraUpgrade kernel-syms-azureUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-azureUpgrade kernel-rt_debug-vdsoUpgrade kernel-kvmsmall-livepatch-develUpgrade kselftests-kmp-64kbUpgrade dtb-caviumUpgrade dtb-lgUpgrade dtb-amlogicUpgrade kernel-source-vanillaUpgrade kernel-azure-livepatch-develUpgrade kernel-source-rtUpgrade kernel-rt-vdsoUpgrade dlm-kmp-defaultUpgrade kernel-syms-rtUpgrade dtb-marvellUpgrade kernel-default-base-rebuildUpgrade kernel-debug-develUpgrade reiserfs-kmp-defaultUpgrade cluster-md-kmp-defaultUpgrade kernel-kvmsmall-develUpgrade kernel-obs-qaUpgrade kernel-default-optionalUpgrade dtb-apmUpgrade kernel-64kb-optionalUpgrade kernel-rt-develUpgrade kernel-devel-azureUpgrade kernel-default-vdsoUpgrade kernel-default-extraUpgrade kernel-docsUpgrade kernel-debugUpgrade dtb-amazonUpgrade kernel-macrosUpgrade kernel-kvmsmallUpgrade reiserfs-kmp-azureUpgrade dtb-allwinnerUpgrade ocfs2-kmp-defaultUpgrade dtb-hisiliconUpgrade cluster-md-kmp-azureUpgrade kernel-64kb-livepatch-develUpgrade kernel-develUpgrade dtb-mediatekUpgrade kernel-default-develUpgrade gfs2-kmp-rtUpgrade kselftests-kmp-defaultUpgrade kernel-default-baseUpgrade gfs2-kmp-64kbUpgrade kernel-default-livepatch-develUpgrade dlm-kmp-azureUpgrade kernel-sourceUpgrade kernel-devel-rtUpgrade dtb-armUpgrade cluster-md-kmp-rtUpgrade kernel-64kb-develUpgrade dtb-renesasUpgrade ocfs2-kmp-rtUpgrade ocfs2-kmp-azureUpgrade kernel-symsUpgrade kernel-64kbUpgrade kselftests-kmp-rtUpgrade dtb-amdUpgrade kernel-rt-livepatchUpgrade kernel-zfcpdumpUpgrade dtb-xilinx | Aug 9, 2024 | May 22, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 22, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub