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