Description
hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.
CVSS breakdown
CVSS 3.1
Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Debian / debian_linux9.0 – 9.0
- Linux / Linux kernel5.13.4
- oracle / communications_cloud_native_core_binding_support_function22.1.3 – 22.1.3
- oracle / communications_cloud_native_core_network_exposure_function22.1.1 – 22.1.1
- oracle / communications_cloud_native_core_policy22.2.0 – 22.2.0
References
- MISChttps://www.spinics.net/lists/linux-usb/msg202228.html
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- VENDOR_ADVISORYhttps://www.oracle.com/security-alerts/cpujul2022.html
- MISChttps://security.netapp.com/advisory/ntap-20210819-0003/
- MISChttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca
- MISChttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145
- MISChttps://bugzilla.suse.com/show_bug.cgi?id=1188601
Updated 45m ago · 8 sources