Release Date: | 2024-05-22 |
In the Linux kernel, the following vulnerability has been resolved:\ncan: isotp: isotp_sendmsg(): add result check for wait_event_interruptible()\nUsing wait_event_interruptible() to wait for complete transmission,\nbut do not check the result of wait_event_interruptible() which can be\ninterrupted. It will result in TX buffer has multiple accessors and\nthe later process interferes with the previous process.\nFollowing is one of the problems reported by syzbot.\n=============================================================\nWARNING: CPU: 0 PID: 0 at net/can/isotp.c:840 isotp_tx_timer_handler+0x2e0/0x4c0\nCPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc7+ #68\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1 04/01/2014\nRIP: 0010:isotp_tx_timer_handler+0x2e0/0x4c0\nCall Trace:\n
See more information about CVE-2021-47457 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.
Base Score: | 5.5 | CVSS Vector: | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Attack Vector: | Local network | Attack Complexity: | Low |
Privileges Required: | Low | User Interaction: | None |
Scope: | Unchanged | Confidentiality Impact: | None |
Integrity Impact: | None | Availability Impact: | High |
Platform | Errata | Release Date |
Oracle Linux version 9 (kernel) | ELSA-2024-9315 | 2024-11-14 |
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections: