Severity
Details
- CVSS score
- 7.0
- CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CWE ID
Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
net: rose: fix timer races against user threads
Rose timers only acquire the socket spinlock, without checking if the socket is owned by one user thread.
Add a check and rearm the timers if needed.
BUG: KASAN: slab-use-after-free in rose_timer_expiry+0x31d/0x360 net/rose/rose_timer.c:174 Read of size 2 at addr ffff88802f09b82a by task swapper/0/0
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-rc5-syzkaller-00172-gd1bf27c4e176 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
Details
- Affected product:
- AlmaLinux 9.2 ESU , Amazon Linux 2 ELS , CentOS 6 ELS , CentOS 7 ELS , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , CloudLinux 6 ELS , CloudLinux 7 ELS , Debian 10 ELS , Oracle Linux 6 ELS , Oracle Linux 7 ELS , RHEL 7 ELS , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
- Affected packages:
- linux @ 4.15.0 (+19 more)
Fixes
KernelCare state
Live-patch status from KernelCare for each operating system.
| Operating system | Status | Covered kernels |
|---|---|---|
| Debian 11 | Released |
34 kernels
|
| Debian 11 cloud | Released |
14 kernels
|
| Debian 12 | Released |
22 kernels
|
| Proxmox VE 7 5.15 | Released |
47 kernels
|
| Ubuntu 18.04 AWS Focal | Released |
56 kernels
|
| Ubuntu 18.04 HWE Focal | Released |
69 kernels
|
| Ubuntu 20.04 | Released |
126 kernels
|
| Ubuntu 20.04 AWS | Released |
108 kernels
|
| Ubuntu 20.04 Azure | Released |
99 kernels
|
| Ubuntu 20.04 GCP | Ready For Release | — |
| Ubuntu 20.04 HWE AWS | Released |
56 kernels
|
| Ubuntu 20.04 HWE Azure | Released |
39 kernels
|
| Ubuntu 22.04 | Released |
73 kernels
|
| Ubuntu 22.04 AWS | Released |
64 kernels
|
| Ubuntu 22.04 Azure | Released |
60 kernels
|
| Ubuntu 24.04 | Released |
25 kernels
|
| Ubuntu 24.04 AWS | Planned | — |