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