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CNVD-2019-38259
Vulnerability from cnvd - Published: 2019-10-30
VLAI Severity ?
Title
Linux kernel信息泄露漏洞（CNVD-2019-38259）
Description
Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。
Linux kernel 4.19.13及更早版本存在信息泄露漏洞。攻击者可利用该漏洞观察同一系统上其他进程的页面缓存访问模式，从而可嗅探机密信息。
Severity
低
Patch Name
Linux kernel信息泄露漏洞（CNVD-2019-38259）的补丁
Patch Description
Linux kernel是一种计算机操作系统内核，以C语言和汇编语言写成，符合POSIX标准，按GNU通用公共许可证发行。
Linux kernel 4.19.13及更早版本存在信息泄露漏洞。攻击者可利用该漏洞观察同一系统上其他进程的页面缓存访问模式，从而可嗅探机密信息。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
厂商已发布漏洞修复程序，请及时关注更新： https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=574823bfab82d9d8fa47f422778043fbb4b4f50e
Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-5489
Impacted products
| Name | Linux Linux kernel <=4.19.13 |
|---|
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CVE-2019-5489 (GCVE-0-2019-5489)
Vulnerability from cvelistv5 – Published: 2019-01-07 18:00 – Updated: 2024-08-04 19:54
VLAI?
EPSS
Summary
The mincore() implementation in mm/mincore.c in the Linux kernel through 4.19.13 allowed local attackers to observe page cache access patterns of other processes on the same system, potentially allowing sniffing of secret information. (Fixing this affects the output of the fincore program.) Limited remote exploitation may be possible, as demonstrated by latency differences in accessing public files from an Apache HTTP Server.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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{
"name": "106478",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/106478"
},
{
"name": "openSUSE-SU-2019:1479",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html"
},
{
"name": "DSA-4465",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2019/dsa-4465"
},
{
"name": "[debian-lts-announce] 20190617 [SECURITY] [DLA 1823-1] linux security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html"
},
{
"name": "[debian-lts-announce] 20190618 [SECURITY] [DLA 1824-1] linux-4.9 security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html"
},
{
"name": "openSUSE-SU-2019:1570",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html"
},
{
"name": "20190618 [SECURITY] [DSA 4465-1] linux security update",
"refsource": "BUGTRAQ",
"url": "https://seclists.org/bugtraq/2019/Jun/26"
},
{
"name": "openSUSE-SU-2019:1579",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html"
},
{
"name": "RHSA-2019:2043",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:2043"
},
{
"name": "RHSA-2019:2029",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:2029"
},
{
"name": "RHSA-2019:2473",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:2473"
},
{
"name": "RHSA-2019:2808",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:2808"
},
{
"name": "RHSA-2019:2837",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:2837"
},
{
"name": "RHSA-2019:2809",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:2809"
},
{
"name": "RHSA-2019:3309",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3309"
},
{
"name": "RHSA-2019:3517",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3517"
},
{
"name": "RHSA-2019:3967",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:3967"
},
{
"name": "RHSA-2019:4058",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:4058"
},
{
"name": "RHSA-2019:4057",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:4057"
},
{
"name": "RHSA-2019:4056",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:4056"
},
{
"name": "RHSA-2019:4159",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:4159"
},
{
"name": "RHSA-2019:4164",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:4164"
},
{
"name": "RHSA-2019:4255",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2019:4255"
},
{
"name": "RHSA-2020:0204",
"refsource": "REDHAT",
"url": "https://access.redhat.com/errata/RHSA-2020:0204"
},
{
"name": "https://www.oracle.com/security-alerts/cpujul2020.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpujul2020.html"
},
{
"name": "https://www.theregister.co.uk/2019/01/05/boffins_beat_page_cache/",
"refsource": "MISC",
"url": "https://www.theregister.co.uk/2019/01/05/boffins_beat_page_cache/"
},
{
"name": "https://bugzilla.suse.com/show_bug.cgi?id=1120843",
"refsource": "MISC",
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1120843"
},
{
"name": "https://github.com/torvalds/linux/commit/574823bfab82d9d8fa47f422778043fbb4b4f50e",
"refsource": "MISC",
"url": "https://github.com/torvalds/linux/commit/574823bfab82d9d8fa47f422778043fbb4b4f50e"
},
{
"name": "https://arxiv.org/abs/1901.01161",
"refsource": "MISC",
"url": "https://arxiv.org/abs/1901.01161"
},
{
"name": "https://security.netapp.com/advisory/ntap-20190307-0001/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20190307-0001/"
},
{
"name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=574823bfab82d9d8fa47f422778043fbb4b4f50e",
"refsource": "MISC",
"url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=574823bfab82d9d8fa47f422778043fbb4b4f50e"
},
{
"name": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-pagecache-en",
"refsource": "CONFIRM",
"url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-pagecache-en"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2019-5489",
"datePublished": "2019-01-07T18:00:00",
"dateReserved": "2019-01-07T00:00:00",
"dateUpdated": "2024-08-04T19:54:53.490Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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