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CVE-2020-0543

Status Candidate

Overview

Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Related Files

Red Hat Security Advisory 2021-3364-01
Posted Aug 31, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3364-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | bfbd97e4c93f9a8b81647cacdf35b21a
Red Hat Security Advisory 2021-3317-01
Posted Aug 31, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3317-01 - hw: Vector Register Data Sampling hw: L1D Cache Eviction Sampling hw: Special Register Buffer Data Sampling hw: Information disclosure issue in Intel SGX via RAPL interface hw: Vector Register Leakage-Active. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability, info disclosure
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | 5ebdc84d4bbc06f7f89a56625f95ccf8
Red Hat Security Advisory 2021-3322-01
Posted Aug 31, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3322-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | d8123f0ab700253bdc54c2173ac8203c
Red Hat Security Advisory 2021-3323-01
Posted Aug 31, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3323-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | e4e159b564b85af43d3b5351c8fa462a
Red Hat Security Advisory 2021-3255-02
Posted Aug 27, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3255-02 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | 64283a00aa9bbabb36433fa12c0a5835
Red Hat Security Advisory 2021-3176-01
Posted Aug 17, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3176-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | c26c2b8be7570e460b2914fb0e7e66f5
Red Hat Security Advisory 2021-3029-01
Posted Aug 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3029-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | 67b4ba84c26313435771d8d9be0c3860
Red Hat Security Advisory 2021-3028-01
Posted Aug 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3028-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | 0d5421e9b7778125ab10d9b58e130e3e
Red Hat Security Advisory 2021-3027-01
Posted Aug 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3027-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-24489, CVE-2020-24511, CVE-2020-24512, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698
MD5 | 97f815bad8af9b7ce3ded9eff4d05428
Red Hat Security Advisory 2020-2842-01
Posted Jul 7, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2842-01 - An update for microcode_ctl is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Sampling issues were addressed.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | b8cfe7f0ee227572843fa15e87286610
Red Hat Security Advisory 2020-2771-01
Posted Jun 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2771-01 - An update for microcode_ctl is now available for Red Hat Enterprise Linux 7.4 Advances Update Support. Sampling issues were addressed.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | 4fb3a030f5d1a959d6c5e674cf4ede91
Red Hat Security Advisory 2020-2758-01
Posted Jun 29, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2758-01 - An update for microcode_ctl is now available for Red at Enterprise Linux 7.7 Extended Update Support. Sampling issues were addressed.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | 3880abe4694b5f5f6d5d2e15144d6ae1
Red Hat Security Advisory 2020-2757-01
Posted Jun 29, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2757-01 - An update for microcode_ctl is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Sampling issues were addressed.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | c998f9311fa2a5c6541217fc385b6f8e
Red Hat Security Advisory 2020-2706-01
Posted Jun 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2706-01 - Updated microcode_ctl packages that fix several security bugs and add various enhancements are now available.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | 26dd8d68eef6f824062e175fa3770d2c
Red Hat Security Advisory 2020-2707-01
Posted Jun 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2707-01 - Updated microcode_ctl packages that fix several security bugs and add various enhancements are now available.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | f77bc592c19698bd22ea58b164a63f3b
Red Hat Security Advisory 2020-2680-01
Posted Jun 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2680-01 - Updated microcode_ctl packages that fix several security bugs and add various enhancements are now available.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | f653856382874c80157786004309ea4f
Red Hat Security Advisory 2020-2679-01
Posted Jun 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2679-01 - Updated microcode_ctl packages that fix several security bugs and add various enhancements are now available.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | 2ac14627e0b6714cf58e886fc63d60f8
Red Hat Security Advisory 2020-2677-01
Posted Jun 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2677-01 - An update for microcode_ctl is now available for Red Hat enterprise Linux 8.1 Extended Update Support.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | 08d996ce973ebc5373eb8efe6c33bd92
Ubuntu Security Notice USN-4385-2
Posted Jun 11, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4385-2 - USN-4385-1 provided updated Intel Processor Microcode. Unfortunately, that update prevented certain processors in the Intel Skylake family from booting successfully. Additionally, on Ubuntu 20.04 LTS, late loading of microcode was enabled, which could lead to system instability. This update reverts the microcode update for the Skylake processor family and disables the late loading option on Ubuntu 20.04 LTS. Please note that the 'dis_ucode_ldr' kernel command line option can be added in the boot menu to disable microcode loading for system recovery. Various other issues were also addressed.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2020-0543, CVE-2020-0548, CVE-2020-0549
MD5 | e73d5f6c4c88bce23e85bfb3e434f4f6
Ubuntu Security Notice USN-4392-1
Posted Jun 10, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4392-1 - It was discovered that the Marvell WiFi-Ex Driver in the Linux kernel did not properly validate status lengths in messages received from an access point, leading to a buffer overflow. A physically proximate attacker controlling an access point could use this to construct messages that could possibly result in arbitrary code execution. It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, overflow, arbitrary, kernel, local, code execution
systems | linux, ubuntu
advisories | CVE-2020-0543, CVE-2020-12114, CVE-2020-12654
MD5 | 2a8d26a4c0fc30acb37659ae44687215
Ubuntu Security Notice USN-4388-1
Posted Jun 10, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4388-1 - It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information. It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-0067, CVE-2020-0543, CVE-2020-12114, CVE-2020-12464, CVE-2020-12659, CVE-2020-1749
MD5 | 3cd7fbe81c4015ba8baf954c820314b8
Ubuntu Security Notice USN-4391-1
Posted Jun 10, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4391-1 - It was discovered that the ext4 file system implementation in the Linux kernel did not properly handle setxattr operations in some situations. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-19319, CVE-2020-0543, CVE-2020-10751, CVE-2020-12114, CVE-2020-12464, CVE-2020-12769, CVE-2020-12826, CVE-2020-1749
MD5 | b9a5c4d0b8f881b21288f5e8a866b693
Ubuntu Security Notice USN-4389-1
Posted Jun 10, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4389-1 - It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information. It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-0067, CVE-2020-0543, CVE-2020-10751, CVE-2020-12114, CVE-2020-12464, CVE-2020-12659
MD5 | a93cc4b0befc248853b45d9e0467a27f
Ubuntu Security Notice USN-4390-1
Posted Jun 10, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4390-1 - It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information. It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-0067, CVE-2020-0543, CVE-2020-10751, CVE-2020-12114, CVE-2020-12464, CVE-2020-1749
MD5 | f002116a7b317689b84b6b58abae7aff
Ubuntu Security Notice USN-4393-1
Posted Jun 10, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4393-1 - It was discovered that the Marvell WiFi-Ex Driver in the Linux kernel did not properly validate status lengths in messages received from an access point, leading to a buffer overflow. A physically proximate attacker controlling an access point could use this to construct messages that could possibly result in arbitrary code execution. It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, overflow, arbitrary, kernel, local, code execution
systems | linux, ubuntu
advisories | CVE-2020-0543, CVE-2020-12654
MD5 | 1c2083f7dc6855a4a9ae2d20008669a7
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