Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2021:3338-1 Rating: important References: 1065729 1148868 1152489 1154353 1159886 1167773 1170774 1171688 1173746 1174003 1176447 1176940 1177028 1178134 1184439 1184804 1185302 1185550 1185677 1185726...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2021:3387-1 Rating: important References: 1065729 1148868 1152489 1154353 1159886 1167773 1170774 1171688 1173746 1174003 1176447 1176940 1177028 1178134 1184439 1184804 1185302 1185550 1185677 1185726...

Amazon Linux AMI : kernel (ALAS-2021-1539)

The version of kernel installed on the remote host is prior to 4.14.248-129.473. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2021-1539 advisory. A flaw was found in the Linux kernel. When reusing a socket with an attached dccpshctxccid as a listener, the socke...

DEBIAN-CVE-2021-41864

preallocelemsandfreelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write...

USN-5091-2: Linux kernel (Raspberry Pi) vulnerabilities

Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. CVE-2021-33624 It was...

USN-5096-1: Linux kernel (OEM) vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Benedict Schlueter discovered that the BPF subsystem in the Linux kernel did not properly protect again...

USN-5092-2: Linux kernel vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in...

USN-5092-1: Linux kernel vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in...

USN-5092-1 linux, linux-aws, linux-aws-5.11, linux-gcp, linux-kvm, linux-oracle, linux-raspi vulnerabilities

Valentina Palmiotti discovered that the iouring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. CVE-2021-41073 Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in...

USN-5091-1: Linux kernel vulnerabilities

Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. CVE-2021-33624 It was...

PT-2024-11422

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential memory leak has been resolved in the Linux kernel related to bpf and s390. The issue was fixed by ensuring that jit data is freed through kfree in the error path...

openSUSE 15 Security Update : kernel (openSUSE-SU-2021:3205-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:3205-1 advisory. - An issue was discovered in the Linux kernel through 5.6.11. sgwrite lacks an sgremoverequest call in a certain failure case, aka...

SUSE SLED15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2021:3207-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3207-1 advisory. The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: ...

USN-5086-1: Linux kernel vulnerability

Johan Almbladh discovered that the eBPF JIT implementation for IBM s390x systems in the Linux kernel miscompiled operations in some situations, allowing circumvention of the BPF verifier. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

PT-2021-28475

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The eBPF JIT implementation for IBM s390x systems in the Linux kernel miscompiles operations in some situations, allowing circumvention of the BPF verifier. A local attacker could use...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2021:3179-1 Rating: important References: 1040364 1127650 1135481 1152489 1160010 1168202 1171420 1174969 1175052 1175543 1177399 1180100 1180141 1180347 1181006 1181148 1181972 1184180 1185902 1186264...

AZL-6594 CVE-2021-38300 affecting package kernel for versions less than 5.10.78.1-1

arch/mips/net/bpfjit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architectur...

DEBIAN-CVE-2021-38300

arch/mips/net/bpfjit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architectur...

UBUNTU-CVE-2021-38300

arch/mips/net/bpfjit.c in the Linux kernel before 5.4.10 can generate undesirable machine code when transforming unprivileged cBPF programs, allowing execution of arbitrary code within the kernel context. This occurs because conditional branches can exceed the 128 KB limit of the MIPS architectur...

openSUSE 15 Security Update : kernel (openSUSE-SU-2021:1271-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1271-1 advisory. - In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Sto...