cnvd - cnvd-2016-02312

cnvd-2016-02312

Vulnerability from cnvd

Title: Linux kernel拒绝服务漏洞（CNVD-2016-02312）

Description:

Linux kernel是一款开源的操作系统。

Linux kernel未能正确恢复信号处理程序中的寄存器，允许本地攻击者可利用‘tm_reclaim()’函数触发TM Bad Thing异常。

Severity: 低

Patch Name: Linux kernel拒绝服务漏洞（CNVD-2016-02312）的补丁

Patch Description:

Linux kernel是一款开源的操作系统。

Linux kernel未能正确恢复信号处理程序中的寄存器，允许本地攻击者可利用‘tm_reclaim()’函数触发TM Bad Thing异常。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:

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/commit/?h=fixes&id=7f821fc9c77a9b01fe7b1d6e72717b33d8d64142

Reference: http://www.openwall.com/lists/oss-security/2016/04/13/5

Impacted products

Name
Linux Kernel

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8845"
    }
  },
  "description": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel\u672a\u80fd\u6b63\u786e\u6062\u590d\u4fe1\u53f7\u5904\u7406\u7a0b\u5e8f\u4e2d\u7684\u5bc4\u5b58\u5668\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u2018tm_reclaim()\u2019\u51fd\u6570\u89e6\u53d1TM Bad Thing\u5f02\u5e38\u3002",
  "discovererName": "unknown",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/commit/?h=fixes\u0026id=7f821fc9c77a9b01fe7b1d6e72717b33d8d64142",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02312",
  "openTime": "2016-04-19",
  "patchDescription": "Linux kernel\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nLinux kernel\u672a\u80fd\u6b63\u786e\u6062\u590d\u4fe1\u53f7\u5904\u7406\u7a0b\u5e8f\u4e2d\u7684\u5bc4\u5b58\u5668\uff0c\u5141\u8bb8\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u2018tm_reclaim()\u2019\u51fd\u6570\u89e6\u53d1TM Bad Thing\u5f02\u5e38\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-02312\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/04/13/5",
  "serverity": "\u4f4e",
  "submitTime": "2016-04-16",
  "title": "Linux kernel\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-02312\uff09"
}

CVE-2015-8845 (GCVE-0-2015-8845)

Vulnerability from cvelistv5

Published

2016-04-27 17:00

Modified

2024-08-06 08:29

Severity ?

CWE

Summary

The tm_reclaim_thread function in arch/powerpc/kernel/process.c in the Linux kernel before 4.4.1 on powerpc platforms does not ensure that TM suspend mode exists before proceeding with a tm_reclaim call, which allows local users to cause a denial of service (TM Bad Thing exception and panic) via a crafted application.

References

▼	URL	Tags
	http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html	vendor-advisory, x_refsource_SUSE
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7f821fc9c77a9b01fe7b1d6e72717b33d8d64142	x_refsource_CONFIRM
	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html	vendor-advisory, x_refsource_SUSE
	http://www.openwall.com/lists/oss-security/2016/04/13/1	mailing-list, x_refsource_MLIST
	http://rhn.redhat.com/errata/RHSA-2016-2584.html	vendor-advisory, x_refsource_REDHAT
	http://rhn.redhat.com/errata/RHSA-2016-2574.html	vendor-advisory, x_refsource_REDHAT
	http://www.securitytracker.com/id/1035594	vdb-entry, x_refsource_SECTRACK
	https://bugzilla.redhat.com/show_bug.cgi?id=1326540	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html	vendor-advisory, x_refsource_SUSE
	https://github.com/torvalds/linux/commit/7f821fc9c77a9b01fe7b1d6e72717b33d8d64142	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html	vendor-advisory, x_refsource_SUSE

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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