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-rt_debugUpgrade kernel-rt-vdsoUpgrade kernel-default-base-rebuildUpgrade kernel-defaultUpgrade kernel-obs-buildUpgrade dtb-exynosUpgrade dtb-qcomUpgrade reiserfs-kmp-64kbUpgrade dtb-caviumUpgrade kernel-rt-extraUpgrade kernel-debug-livepatch-develUpgrade kselftests-kmp-64kbUpgrade gfs2-kmp-defaultUpgrade dlm-kmp-64kbUpgrade kernel-azure-extraUpgrade kernel-source-vanillaUpgrade dlm-kmp-defaultUpgrade dlm-kmp-rtUpgrade kernel-rt-optionalUpgrade dtb-freescaleUpgrade dtb-socionextUpgrade kernel-rt-livepatch-develUpgrade cluster-md-kmp-64kbUpgrade kernel-rt_debug-vdsoUpgrade dtb-broadcomUpgrade dtb-lgUpgrade dtb-marvellUpgrade kernel-rtUpgrade dtb-amlogicUpgrade dtb-alteraUpgrade kernel-docs-htmlUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-source-azureUpgrade ocfs2-kmp-64kbUpgrade kernel-azureUpgrade gfs2-kmp-azureUpgrade kernel-azure-optionalUpgrade kernel-azure-develUpgrade dtb-appleUpgrade dtb-rockchipUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-default-livepatchUpgrade kernel-debug-vdsoUpgrade kernel-64kb-extraUpgrade kernel-azure-vdsoUpgrade kernel-source-rtUpgrade kernel-syms-rtUpgrade dtb-nvidiaUpgrade kernel-syms-azureUpgrade kernel-rt_debug-develUpgrade dtb-sprdUpgrade kselftests-kmp-azureUpgrade kernel-kvmsmall-vdsoUpgrade kernel-azure-livepatch-develUpgrade reiserfs-kmp-rtUpgrade dtb-hisiliconUpgrade kernel-rt-develUpgrade kernel-debug-develUpgrade cluster-md-kmp-azureUpgrade kernel-develUpgrade dtb-armUpgrade kernel-devel-azureUpgrade dtb-apmUpgrade kernel-64kb-optionalUpgrade kernel-obs-qaUpgrade kernel-default-optionalUpgrade kernel-default-vdsoUpgrade kernel-macrosUpgrade kernel-kvmsmallUpgrade dtb-amazonUpgrade reiserfs-kmp-azureUpgrade dtb-allwinnerUpgrade kernel-zfcpdumpUpgrade kernel-64kb-livepatch-develUpgrade gfs2-kmp-rtUpgrade kselftests-kmp-defaultUpgrade dtb-amdUpgrade kernel-64kb-develUpgrade kernel-64kbUpgrade kernel-default-extraUpgrade kernel-devel-rtUpgrade kselftests-kmp-rtUpgrade ocfs2-kmp-azureUpgrade kernel-rt-livepatchUpgrade dlm-kmp-azureUpgrade kernel-default-develUpgrade kernel-debugUpgrade kernel-default-baseUpgrade kernel-docsUpgrade cluster-md-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade gfs2-kmp-64kbUpgrade reiserfs-kmp-defaultUpgrade kernel-kvmsmall-develUpgrade ocfs2-kmp-rtUpgrade kernel-symsUpgrade dtb-xilinxUpgrade kernel-default-livepatch-develUpgrade cluster-md-kmp-rtUpgrade kernel-sourceUpgrade dtb-renesasUpgrade dtb-mediatek | 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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