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SUSE-SU-2021:1365-1 Not scored

Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP2)

This update for the Linux Kernel 5.3.18-24_49 fixes several issues. The following security issues were fixed: - CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0 leading to out of bounds read (bsc#1184171). - CVE-2021-28660: Fixed an out of bounds write in rtw_wx_set_scan (bsc#1183658). - CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646). - CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1182294). - CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).

Exploit probability Not scored
Published April 28, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_6
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_8
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_7
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_4
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_14
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_22
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_16
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_18
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_15
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_15
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_0
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_13
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_19
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_10
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_9
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_20
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_12
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_4
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_11
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_16
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_17
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_7
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_14
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_10
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_5
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_21
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_11
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_3
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_1
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_6
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_9
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_13
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_5
SUSE:Linux Enterprise Live Patching 12 SP5 kgraft-patch-SLE12-SP5_Update_8
SUSE:Linux Enterprise Live Patching 15 SP2 kernel-livepatch-SLE15-SP2_Update_2
SUSE:Linux Enterprise Live Patching 15 SP1 kernel-livepatch-SLE15-SP1_Update_12

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2021:1365-1

This update for the Linux Kernel 5.3.18-24_49 fixes several issues. The following security issues were fixed: - CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0 leading to out of bounds read (bsc#1184171). - CVE-2021-28660: Fixed an out of bounds write in rtw_wx_set_scan (bsc#1183658). - CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646). - CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1182294). - CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).

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05 / REFERENCES

Further evidence