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Alerts This Week
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SUSE: 2021:3640-1 Important Kernel Security Enhancements

suse
Calendar Grey November 9, 2021
Scroller Suse
A significant safety patch for SUSE addresses 11 vulnerabilities within the Linux kernel, boosting overall reliability and efficiency.
An update that solves 11 vulnerabilities and has 35 fixes is now available

Summary

The SUSE Linux Enterprise 15 SP2 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-3772: Fixed sctp vtag check in sctp_sf_ootb (bsc#1190351). - CVE-2021-3655: Fixed a missing size validations on inbound SCTP packets, which may have allowed the kernel to read uninitialized memory (bsc#1188563). - CVE-2021-43056: Fixed possible KVM host crash via malicious KVM guest on Power8 (bnc#1192107). - CVE-2021-3896: Fixed a array-index-out-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c (bsc#1191958). - CVE-2021-3760: Fixed a use-after-free vulnerability with the ndev->rf_conn_info object (bsc#1190067). - CVE-2021-42739: The firewire subsystem had a buffer overflow related to drivers/media/firewire/firedtv-avc.c and

Topics%20covered

Topics Covered

security advisory security issue kernel update system integrity threat mitigation SUSE important update

References

#1065729 #1085030 #1133021 #1152489 #1154353

#1156395 #1157177 #1167773 #1172073 #1173604

#1176940 #1184673 #1185762 #1186063 #1187167

#1188563 #1189841 #1190006 #1190067 #1190349

#1190351 #1190479 #1190620 #1190642 #1190795

#1190941 #1191229 #1191241 #1191315 #1191317

#1191384 #1191449 #1191450 #1191451 #1191452

#1191455 #1191456 #1191628 #1191731 #1191800

#1191934 #1191958 #1192040 #1192041 #1192107

#1192145

Cross- CVE-2021-3542 CVE-2021-3655 CVE-2021-3715

CVE-2021-3760 CVE-2021-3772 CVE-2021-3896

CVE-2021-41864 CVE-2021-42008 CVE-2021-42252

CVE-2021-42739 CVE-2021-43056

CVSS scores:

CVE-2021-3542 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2021-3655 (SUSE): 4 CVSS:3.1/AV:L/AC:L/PR:N/...

Read the Full Advisory

Severity
important
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Announcement ID: SUSE-SU-2021:3640-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue kernel update system integrity threat mitigation SUSE important update

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