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SUSE 15-SP3: 2021:2409-1 Important: Kernel Security Fixes

suse
Calendar Grey July 20, 2021
Dist Suse Esm H88
SUSE has released a security patch for the Linux Kernel that resolves two significant vulnerabilities, ensuring enhancements are in place.
An update that solves two vulnerabilities and has 6 fixes is now available

Summary

The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-22555: A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c (bnc#1188116 ). - CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that allows to obtain full root privileges (bsc#1188062). The following non-security bugs were fixed: - ceph: must hold snap_rwsem when filling inode for async create (bsc#1187927). - cgroup1: do not allow '\n' in renaming (bsc#1187972). - qla2xxx: synchronize rport dev_loss_tmo setting (bsc#1182470 bsc#1185486). - scsi: ufs: ufshcd-pltfrm depends on HAS_IOMEM (bsc#1187980). - usb: dwc3: Fix debugfs creation flow (git-fixes).

Topics%20covered

Topics Covered

security advisory security fix important kernel SUSE CVE-2021-22555 CVE-2021-33909

References

#1152489 #1182470 #1185486 #1187927 #1187972

#1187980 #1188062 #1188116

Cross- CVE-2021-22555 CVE-2021-33909

CVSS scores:

CVE-2021-22555 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-22555 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-33909 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Module for Public Cloud 15-SP3

https://www.suse.com/security/cve/CVE-2021-22555.html

https://www.suse.com/security/cve/CVE-2021-33909.html

https://bugzilla.suse.com/1152489

https://bugzilla.suse.com/1182470

https://bugzilla.suse.com/1185486

https://bugzilla.suse.com/1187927

https://bugzilla.suse.com/1187972

https://bugzilla.suse.com/1187980

Severity
important
Lowest
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Announcement ID: SUSE-SU-2021:2409-1
Rating: important

Topics%20covered

Topics Covered

security advisory security fix important kernel SUSE CVE-2021-22555 CVE-2021-33909

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