2024-12-12 21:07:30 +00:00

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{
"Definition": [
{
"ID": "oval:org.altlinux.errata:def:20211540",
"Version": "oval:org.altlinux.errata:def:20211540",
"Class": "patch",
"Metadata": {
"Title": "ALT-PU-2021-1540: package `kernel-image-un-def` update to version 5.11.8-alt1",
"AffectedList": [
{
"Family": "unix",
"Platforms": [
"ALT Linux branch p11"
],
"Products": [
"ALT Container"
]
}
],
"References": [
{
"RefID": "ALT-PU-2021-1540",
"RefURL": "https://errata.altlinux.org/ALT-PU-2021-1540",
"Source": "ALTPU"
},
{
"RefID": "BDU:2021-01865",
"RefURL": "https://bdu.fstec.ru/vul/2021-01865",
"Source": "BDU"
},
{
"RefID": "BDU:2021-01874",
"RefURL": "https://bdu.fstec.ru/vul/2021-01874",
"Source": "BDU"
},
{
"RefID": "BDU:2021-01875",
"RefURL": "https://bdu.fstec.ru/vul/2021-01875",
"Source": "BDU"
},
{
"RefID": "CVE-2020-27170",
"RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2020-27170",
"Source": "CVE"
},
{
"RefID": "CVE-2020-27171",
"RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2020-27171",
"Source": "CVE"
},
{
"RefID": "CVE-2021-28950",
"RefURL": "https://nvd.nist.gov/vuln/detail/CVE-2021-28950",
"Source": "CVE"
}
],
"Description": "This update upgrades kernel-image-un-def to version 5.11.8-alt1. \nSecurity Fix(es):\n\n * BDU:2021-01865: Уязвимость файла kernel/bpf/verifier.c ядра операционной системы Linux, позволяющая нарушителю получить получить несанкционированный доступ к защищаемой информации\n\n * BDU:2021-01874: Уязвимость файла kernel/bpf/verifier.c ядра операционной системы Linux, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации\n\n * BDU:2021-01875: Уязвимость файла fs/fuse/fuse_i.h ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании\n\n * CVE-2020-27170: An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects pointer types that do not define a ptr_limit.\n\n * CVE-2020-27171: An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-10d2bb2e6b1d.\n\n * CVE-2021-28950: An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. A \"stall on CPU\" can occur because a retry loop continually finds the same bad inode, aka CID-775c5033a0d1.",
"Advisory": {
"From": "errata.altlinux.org",
"Severity": "Low",
"Rights": "Copyright 2024 BaseALT Ltd.",
"Issued": {
"Date": "2021-03-23"
},
"Updated": {
"Date": "2021-03-23"
},
"BDUs": [
{
"ID": "BDU:2021-01865",
"CVSS": "AV:L/AC:H/Au:S/C:C/I:N/A:N",
"CVSS3": "AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"CWE": "CWE-203",
"Href": "https://bdu.fstec.ru/vul/2021-01865",
"Impact": "Low",
"Public": "20210317"
},
{
"ID": "BDU:2021-01874",
"CVSS": "AV:L/AC:L/Au:S/C:C/I:N/A:C",
"CVSS3": "AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
"CWE": "CWE-193",
"Href": "https://bdu.fstec.ru/vul/2021-01874",
"Impact": "Low",
"Public": "20210317"
},
{
"ID": "BDU:2021-01875",
"CVSS": "AV:L/AC:L/Au:S/C:N/I:N/A:C",
"CVSS3": "AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"CWE": "CWE-834",
"Href": "https://bdu.fstec.ru/vul/2021-01875",
"Impact": "Low",
"Public": "20210304"
}
],
"CVEs": [
{
"ID": "CVE-2020-27170",
"CVSS": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
"CVSS3": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"CWE": "CWE-203",
"Href": "https://nvd.nist.gov/vuln/detail/CVE-2020-27170",
"Impact": "Low",
"Public": "20210320"
},
{
"ID": "CVE-2020-27171",
"CVSS": "AV:L/AC:L/Au:N/C:P/I:N/A:P",
"CVSS3": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
"CWE": "CWE-193",
"Href": "https://nvd.nist.gov/vuln/detail/CVE-2020-27171",
"Impact": "Low",
"Public": "20210320"
},
{
"ID": "CVE-2021-28950",
"CVSS": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"CVSS3": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"CWE": "CWE-834",
"Href": "https://nvd.nist.gov/vuln/detail/CVE-2021-28950",
"Impact": "Low",
"Public": "20210320"
}
],
"AffectedCPEs": {
"CPEs": [
"cpe:/o:alt:container:11"
]
}
}
},
"Criteria": {
"Operator": "AND",
"Criterions": [
{
"TestRef": "oval:org.altlinux.errata:tst:3001",
"Comment": "ALT Linux must be installed"
}
],
"Criterias": [
{
"Operator": "OR",
"Criterions": [
{
"TestRef": "oval:org.altlinux.errata:tst:20211540001",
"Comment": "kernel-doc-un is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540002",
"Comment": "kernel-headers-modules-un-def is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540003",
"Comment": "kernel-headers-un-def is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540004",
"Comment": "kernel-image-domU-un-def is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540005",
"Comment": "kernel-image-un-def is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540006",
"Comment": "kernel-modules-drm-ancient-un-def is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540007",
"Comment": "kernel-modules-drm-nouveau-un-def is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540008",
"Comment": "kernel-modules-drm-un-def is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540009",
"Comment": "kernel-modules-ide-un-def is earlier than 1:5.11.8-alt1"
},
{
"TestRef": "oval:org.altlinux.errata:tst:20211540010",
"Comment": "kernel-modules-staging-un-def is earlier than 1:5.11.8-alt1"
}
]
}
]
}
}
]
}