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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | May 22, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Dec 5, 2024 | May 22, 2024 |
| Suse | — | Upgrade dtb-appleUpgrade kernel-defaultUpgrade kernel-syms-azureUpgrade kernel-azureUpgrade kernel-debug-livepatch-develUpgrade kselftests-kmp-azureUpgrade kernel-source-rtUpgrade kernel-syms-rtUpgrade dlm-kmp-rtUpgrade kernel-rt-livepatch-develUpgrade kernel-source-vanillaUpgrade kernel-rt-vdsoUpgrade dtb-amlogicUpgrade kernel-rt_debug-vdsoUpgrade kernel-azure-livepatch-develUpgrade dtb-socionextUpgrade dtb-alteraUpgrade kernel-rt_debugUpgrade dlm-kmp-defaultUpgrade dtb-caviumUpgrade kernel-source-azureUpgrade cluster-md-kmp-64kbUpgrade kernel-docs-htmlUpgrade kernel-kvmsmall-livepatch-develUpgrade gfs2-kmp-azureUpgrade kernel-kvmsmall-vdsoUpgrade kernel-obs-buildUpgrade kernel-default-base-rebuildUpgrade kernel-rt-optionalUpgrade ocfs2-kmp-64kbUpgrade kernel-rtUpgrade kernel-rt_debug-develUpgrade dtb-exynosUpgrade dtb-sprdUpgrade kernel-default-livepatchUpgrade kernel-azure-vdsoUpgrade kernel-debug-vdsoUpgrade kselftests-kmp-64kbUpgrade dlm-kmp-64kbUpgrade dtb-qcomUpgrade dtb-rockchipUpgrade kernel-azure-develUpgrade dtb-lgUpgrade kernel-rt-extraUpgrade dtb-nvidiaUpgrade kernel-azure-optionalUpgrade kernel-rt_debug-livepatch-develUpgrade dtb-broadcomUpgrade dtb-marvellUpgrade gfs2-kmp-defaultUpgrade dtb-freescaleUpgrade reiserfs-kmp-64kbUpgrade reiserfs-kmp-rtUpgrade kernel-azure-extraUpgrade kernel-64kb-extraUpgrade kernel-develUpgrade ocfs2-kmp-rtUpgrade ocfs2-kmp-azureUpgrade dtb-amdUpgrade kernel-symsUpgrade kernel-debug-develUpgrade kernel-64kb-optionalUpgrade kernel-devel-azureUpgrade dtb-amazonUpgrade reiserfs-kmp-azureUpgrade kernel-kvmsmallUpgrade kernel-obs-qaUpgrade kernel-rt-develUpgrade kernel-macrosUpgrade dtb-allwinnerUpgrade kernel-default-vdsoUpgrade dtb-armUpgrade dtb-mediatekUpgrade kernel-sourceUpgrade dtb-renesasUpgrade kernel-devel-rtUpgrade kselftests-kmp-defaultUpgrade kernel-default-livepatch-develUpgrade kernel-64kb-livepatch-develUpgrade gfs2-kmp-rtUpgrade kernel-default-extraUpgrade cluster-md-kmp-rtUpgrade kernel-64kb-develUpgrade cluster-md-kmp-azureUpgrade gfs2-kmp-64kbUpgrade ocfs2-kmp-defaultUpgrade cluster-md-kmp-defaultUpgrade dtb-hisiliconUpgrade kernel-docsUpgrade reiserfs-kmp-defaultUpgrade kernel-kvmsmall-develUpgrade kernel-debugUpgrade kernel-default-optionalUpgrade dtb-apmUpgrade kernel-default-develUpgrade kselftests-kmp-rtUpgrade dlm-kmp-azureUpgrade kernel-zfcpdumpUpgrade kernel-default-baseUpgrade dtb-xilinxUpgrade kernel-rt-livepatchUpgrade kernel-64kb | 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 |
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