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SUSE Linux 12 SP2: 2021:0835-1 Important: Kernel Patch Memory Issues

suse
Calendar Grey March 17, 2021
Dist Suse Esm H88
Crucial SUSE Security Patch addressing flaws in Linux Kernel (Live Patch 39 for SLE 12 SP2) has been released.
An update that fixes 5 vulnerabilities is now available

Summary

This update for the Linux Kernel 4.4.121-92_149 fixes several issues. The following security issues were fixed: - CVE-2020-27786: Fixed a potential user after free which could have led to memory corruption or privilege escalation (bsc#1179616). - CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI target code which could have been used by remote attackers to read or write files via directory traversal in an XCOPY request (bsc#1178684). - CVE-2020-25645: Fixed an issue where the traffic between two Geneve endpoints may have been unencrypted when IPsec was configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted (bsc#1177513). - CVE-2020-0429: Fixed a potential memory corruption due to a use after

Topics%20covered

Topics Covered

security advisory privilege escalation directory traversal memory corruption kernel patch important SUSE

References

#1165631 #1176931 #1177513 #1178684 #1179616

Cross- CVE-2020-0429 CVE-2020-1749 CVE-2020-25645

CVE-2020-27786 CVE-2020-28374

CVSS scores:

CVE-2020-0429 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-1749 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2020-25645 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2020-25645 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2020-27786 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-27786 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-28374 (NVD) : 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVE-2020-28374 (SUSE): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Products:

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:0835-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation directory traversal memory corruption kernel patch important SUSE

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