CVE-2021-34556 (GCVE-0-2021-34556)
Vulnerability from cvelistv5
Published
2021-08-02 04:02
Modified
2024-08-04 00:12
Severity ?
CWE
  • n/a
Summary
In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.
References
cve@mitre.org http://www.openwall.com/lists/oss-security/2021/08/01/3 Mailing List
cve@mitre.org https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=2039f26f3aca5b0e419b98f65dd36481337b86ee Patch, Vendor Advisory
cve@mitre.org https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=f5e81d1117501546b7be050c5fbafa6efd2c722c Patch, Vendor Advisory
cve@mitre.org https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Mailing List, Third Party Advisory
cve@mitre.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/565ZS55ZFEN62WVRRORT7R63RXW5F4T4/
cve@mitre.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JKK6XNRZX5BT5QVYOKGVJ2BHFZAP5EX/
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2021/08/01/3 Mailing List
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=2039f26f3aca5b0e419b98f65dd36481337b86ee Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=f5e81d1117501546b7be050c5fbafa6efd2c722c Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/565ZS55ZFEN62WVRRORT7R63RXW5F4T4/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JKK6XNRZX5BT5QVYOKGVJ2BHFZAP5EX/
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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