| Description: | Summary:
The remote host is missing an update for the Debian 'linux' package(s) announced via the DSA-5161-1 advisory.
Vulnerability Insight:
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
CVE-2022-0494
The scsi_ioctl() was susceptible to an information leak only exploitable by users with CAP_SYS_ADMIN or CAP_SYS_RAWIO capabilities.
CVE-2022-0854
Ali Haider discovered a potential information leak in the DMA subsystem. On systems where the swiotlb feature is needed, this might allow a local user to read sensitive information.
CVE-2022-1012
The randomisation when calculating port offsets in the IP implementation was enhanced.
CVE-2022-1729
Norbert Slusarek discovered a race condition in the perf subsystem which could result in local privilege escalation to root. The default settings in Debian prevent exploitation unless more permissive settings have been applied in the kernel.perf_event_paranoid sysctl.
CVE-2022-1786
Kyle Zeng discovered a use-after-free in the io_uring subsystem which way result in local privilege escalation to root.
CVE-2022-1789 / CVE-2022-1852 Yongkang Jia, Gaoning Pan and Qiuhao Li discovered two NULL pointer dereferences in KVM's CPU instruction handling, resulting in denial of service.
CVE-2022-32250
Aaron Adams discovered a use-after-free in Netfilter which may result in local privilege escalation to root.
CVE-2022-1974 / CVE-2022-1975 Duoming Zhou discovered that the NFC netlink interface was suspectible to denial of service.
CVE-2022-2078
Ziming Zhang discovered an out-of-bound write in Netfilter which may result in local privilege escalation to root.
CVE-2022-21499
It was discovered that the kernel debugger could be used to bypass UEFI Secure Boot restrictions.
CVE-2022-28893
Felix Fu discovered a use-after-free in the implementation of the Remote Procedure Call (SunRPC) protocol, which could result in denial of service or an information leak.
For the stable distribution (bullseye), these problems have been fixed in version 5.10.120-1.
We recommend that you upgrade your linux packages.
For the detailed security status of linux please refer to its security tracker page at: [link moved to references]
Affected Software/OS:
'linux' package(s) on Debian 11.
Solution:
Please install the updated package(s).
CVSS Score:
7.2
CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
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