Resource Leak Affecting kernel-debug package, versions <0:4.18.0-553.5.1.el8_10
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUG-6490752
- published 26 Mar 2024
- disclosed 25 Mar 2024
Introduced: 25 Mar 2024
CVE-2021-47171 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug to version 0:4.18.0-553.5.1.el8_10 or higher.
This issue was patched in RHSA-2024:3618.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
net: usb: fix memory leak in smsc75xx_bind
Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation.
backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728
References
- https://access.redhat.com/security/cve/CVE-2021-47171
- https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa
- https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f
- https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70
- https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0
- https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b
- https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07
- https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
- https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17