Speculative Execution and Indirect Branch Prediction Side Channel Analysis Method

Summary: Updated Recommendations Section 04/04/2018 Today a team of security researchers disclosed several software analysis methods that, when used for malicious purposes, have the potential to improperly gather sensitive data from many types of computing devices with many different vendors’...

Q2 2018 Speculative Execution Side Channel Update

Summary: Security researchers identified two software analysis methods that, if used for malicious purposes, have the potential to improperly gather sensitive data from multiple types of computing devices with different vendors’ processors and operating systems. Intel is committed to product and...

NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2021-0025)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has thunderbird packages installed that are affected by multiple vulnerabilities: - In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free conditio...

DEBIAN-CVE-2021-31829

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...

CVE-2021-31829

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...

CVE-2021-31829

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...

Information disclosure

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...

CVE-2021-31829

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...

CVE-2021-31829

CVE-2021-31829 affects the Linux kernel’s eBPF verifier (kernel/bpf/verifier.c) and describes speculative-load handling that could leak kernel memory via side-channels. The Initial document notes the flaw up to kernel 5.12.1 and references remediation through patched kernels; Connected documents ...

CVE-2021-31829

kernel/bpf/verifier.c in the Linux kernel through 5.12.1 performs undesirable speculative loads, leading to disclosure of stack content via side-channel attacks, aka CID-801c6058d14a. The specific concern is not protecting the BPF stack area against speculative loads. Also, the BPF stack can...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.10.33 and fixes at least the following security issues: A race condition in Linux kernel SCTP sockets net/sctp/socket.c before 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If...

MGASA-2021-0205 Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on upstream 5.10.33 and fixes at least the following security issues: A race condition in Linux kernel SCTP sockets net/sctp/socket.c before 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If...

Spectre attacks come back from the dead

Spectre is the name for a whole class of vulnerabilities discovered in January 2018 that affected huge numbers of modern computer processors that rely on a performance feature called speculative execution. Since then, some of the world’s most talented computer scientists from industry and academi...

AMD RESPONSE TO “I see dead µops: leaking secrets via Intel/AMD micro-op caches” RESEARCH PAPER

Bulletin ID: AMD-SB-1006 Summary AMD has reviewed the research paper and believes existing mitigations were not being bypassed and no new mitigations are required. AMD recommends its existing side-channel mitigation guidance and standard secure coding practices be followed. CVE Details None...

New Attacks Slaughter All Spectre Defenses

All defenses against Spectre side-channel attacks can now be considered broken, leaving billions of computers and other devices just as vulnerable today as they were when the hardware flaw was first announced three years ago. A paper published on Friday by a team of computer scientists from the...

MGASA-2021-0204 Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.10.33 and fixes at least the following security issues: A race condition in Linux kernel SCTP sockets net/sctp/socket.c before 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged process. If...

Security Bulletin: OpenSSL vulnerability affects IBM Rational Team Concert

Summary OpenSSL vulnerability was disclosed by the OpenSSL Project. OpenSSL is used by Rational BuildForge Agent shipped with IBM Rational Team Concert. Rational BuildForge has addressed the applicable CVE Vulnerability Details CVEID: CVE-2018-0734 DESCRIPTION: OpenSSL could allow a remote attack...

CVE-2021-31404 Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 Vaadin 10.0.0 through 10.0.16, 1.1.0 prior to 2.0.0 Vaadin 11 prior to 14, 2.0.0 through 2.4.6 Vaadin 14.0.0 through 14.4.6, 3.0.0 prior to 5.0.0 Vaadin 15 prior to 18, and...

CVE-2021-31403 Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 Vaadin 7.0.0 through 7.7.23, and 8.0.0 through 8.12.2 Vaadin 8.0.0 through 8.12.2 allows attacker to guess a security token via timing attack...

Amazon Linux 2 : kernel (ALAS-2021-1627)

The version of kernel installed on the remote host is prior to 4.14.231-173.360. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2021-1627 advisory. A memory leak in the adisupdatescanmode function in drivers/iio/imu/adisbuffer.c in the Linux kernel before 5.3.9...