Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2)
This update for the Linux Kernel 5.3.18-24_64 fixes several issues. The following issues were fixed: - CVE-2021-33200: Enforcing incorrect limits for pointer arithmetic operations by the BPF verifier could be abused to perform out-of-bounds reads and writes in kernel memory (bsc#1186484). - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060). - Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the Linux Kernel 5.3.18-24_64 fixes several issues. The following issues were fixed: - CVE-2021-33200: Enforcing incorrect limits for pointer arithmetic operations by the BPF verifier could be abused to perform out-of-bounds reads and writes in kernel memory (bsc#1186484). - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060). - Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1185847
- https://bugzilla.suse.com/1186061
- https://bugzilla.suse.com/1186285
- https://bugzilla.suse.com/1186498
- https://www.suse.com/security/cve/CVE-2021-23134
- https://www.suse.com/security/cve/CVE-2021-33034
- https://www.suse.com/security/cve/CVE-2021-33200
- https://www.suse.com/support/update/announcement/2021/suse-su-20212027-1/