SUSE Linux Enterprise 11 SP4 Security Update: Important Kernel Update
suse
March 8, 2022
An update that solves 10 vulnerabilities and has three fixes is now available
Summary
The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. Transient execution side-channel attacks attacking the Branch History Buffer (BHB), named "Branch Target Injection" and "Intra-Mode Branch History Injection" are now mitigated. The following security bugs were fixed: - CVE-2022-0001: Fixed Branch History Injection vulnerability (bsc#1191580). - CVE-2022-0002: Fixed Intra-Mode Branch Target Injection vulnerability (bsc#1191580). - CVE-2020-12770: Fixed sg_remove_request call in a certain failure cases (bsc#1171420). - CVE-2022-0617: Fixed a null pointer dereference in UDF file system functionality. A local user could crash the system by triggering udf_file_write_iter() via a malicious UDF image. (bsc#1196079)
References
#1171420 #1179599 #1190025 #1191580 #1193157
#1193669 #1193867 #1194272 #1195109 #1195543
#1195908 #1196079 #1196612
Cross- CVE-2019-0136 CVE-2020-12770 CVE-2020-27820
CVE-2021-3753 CVE-2021-4155 CVE-2021-45095
CVE-2022-0001 CVE-2022-0002 CVE-2022-0492
CVE-2022-0617
CVSS scores:
CVE-2019-0136 (NVD) : 7.4 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVE-2019-0136 (SUSE): 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVE-2020-12770 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVE-2020-12770 (SUSE): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CVE-2020-27820 (SUSE): 3.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:L
CVE-2021-3753 (NVD) : 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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Announcement ID: SUSE-SU-2022:14905-1
Rating: important
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