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Alerts This Week
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Alerts This Week
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SUSE 2021:1899-1 Important Kernel Security Update: Critical Issues Resolved

suse
Calendar Grey June 8, 2021
Scroller Suse
Red Hat reveals a major system update that tackles various security flaws and includes essential enhancements.
An update that solves 12 vulnerabilities and has 32 fixes is now available

Summary

The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes. The following security bugs 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-2020-26139: Fixed a denial-of-service when an Access Point (AP) forwards EAPOL frames to other clients even though the sender has not yet successfully authenticated to the AP. (bnc#1186062) - CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges. (bnc#1186060)

Topics%20covered

Topics Covered

security advisory denial of service access control bug fix important kernel SUSE

References

#1064802 #1066129 #1087082 #1101816 #1103992

#1104353 #1104427 #1104745 #1109837 #1113431

#1126390 #1133021 #1152457 #1174682 #1176081

#1177666 #1180552 #1181383 #1182256 #1183738

#1183947 #1184081 #1184082 #1184611 #1184855

#1185428 #1185481 #1185680 #1185703 #1185724

#1185758 #1185827 #1185901 #1185906 #1185938

#1186060 #1186111 #1186390 #1186416 #1186439

#1186441 #1186452 #1186460 #1186498

Cross- CVE-2020-24586 CVE-2020-24587 CVE-2020-26139

CVE-2020-26141 CVE-2020-26145 CVE-2020-26147

CVE-2021-23133 CVE-2021-23134 CVE-2021-32399

CVE-2021-33034 CVE-2021-33200 CVE-2021-3491

CVSS scores:

CVE-2020-24586 (NVD) : 3.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVE-2020-24586 (SUSE): 4.7 CVSS:3.1/AV:A/AC:H/...

Read the Full Advisory

Severity
important
Lowest
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Critical

Announcement ID: SUSE-SU-2021:1899-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service access control bug fix important kernel SUSE

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