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Linux kernel 资源管理错误漏洞

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漏洞信息详情

Linux kernel 资源管理错误漏洞

  • CNNVD编号：CNNVD-202012-778
    • <!--
  • 危害等级： 高危-->
  • 危害等级： 高危
  • CVE编号： CVE-2020-29661
  • 漏洞类型： 资源管理错误
  • 发布时间： 2020-12-09
  • 威胁类型： 本地
  • 更新时间： 2021-11-29
  • 厂        商：
  • 漏洞来源： Red Hat

漏洞简介

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。

Linux kernel through 5.9.13 存在资源管理错误漏洞，该漏洞源于子系统中发现了一个锁定问题。驱动tty tty jobctrl.c允许使用后免费攻击TIOCSPGRP，又名CID-54ffccbf053b。

漏洞公告

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54ffccbf053b5b6ca4f6e45094b942fab92a25fc

参考网址

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/MZ7OAKAEFAXQRGBZK4LYUWINCD3D2XCL/

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html

来源:MLIST

链接:http://www.openwall.com/lists/oss-security/2020/12/10/1

来源:DEBIAN

链接:https://www.debian.org/security/2021/dsa-4843

来源:MLIST

链接:https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

来源:CONFIRM

链接:https://security.netapp.com/advisory/ntap-20210122-0001/

来源:MISC

链接:https://www.oracle.com/security-alerts/cpuoct2021.html

来源:MISC

链接:https://packetstormsecurity.com/files/164950/Kernel-Live-Patch-Security-Notice-LSN-0082-1.html

来源:FEDORA

链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/BOB25SU6XUL4TNP7KB63WNZSYTIYFDPP/

来源:MISC

链接:https://packetstormsecurity.com/files/160681/Linux-TIOCSPGRP-Broken-Locking.html

来源:MISC

链接:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54ffccbf053b5b6ca4f6e45094b942fab92a25fc

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161710/Red-Hat-Security-Advisory-2021-0763-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0837

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0717

来源:www.ibm.com

链接:https://www.ibm.com/blogs/psirt/security-bulletin-there-are-multiple-vulnerabilities-in-the-linux-kernel-used-in-ibm-elastic-storage-system-3/

来源:www.oracle.com

链接:https://www.oracle.com/security-alerts/cpuoct2021.html

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/Linux-kernel-use-after-free-via-TIOCSPGRP-34082

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/160681/Linux-TIOCSPGRP-Broken-Locking.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161250/Red-Hat-Security-Advisory-2021-0354-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3871

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.2781

来源:nvd.nist.gov

链接:https://nvd.nist.gov/vuln/detail/CVE-2020-29661

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021042135

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021092209

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0189/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0377/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161656/Red-Hat-Security-Advisory-2021-0719-01.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/162878/Red-Hat-Security-Advisory-2021-2164-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1193

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1093

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/162253/Red-Hat-Security-Advisory-2021-1288-01.html

来源:source.android.com

链接:https://source.android.com/security/bulletin/2021-05-01

来源:www.ibm.com

链接:https://www.ibm.com/blogs/psirt/security-bulletin-ibm-data-risk-manager-is-affected-by-multiple-vulnerabilities-4/

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021052006

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0589

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0864

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0964

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0348/

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0924

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0768

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1339

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.2604

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021062111

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0791

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164812/Ubuntu-Security-Notice-USN-5130-1.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161823/Red-Hat-Security-Advisory-2021-0862-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.0166/

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161607/Red-Hat-Security-Advisory-2021-0689-01.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.3743

来源:device.harmonyos.com

链接:https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202111-0000001218088197

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161556/Ubuntu-Security-Notice-USN-4752-1.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/161868/Red-Hat-Security-Advisory-2021-0940-01.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/162020/Red-Hat-Security-Advisory-2021-1028-01.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/164950/Kernel-Live-Patch-Security-Notice-LSN-0082-1.html

受影响实体

    暂无


补丁

  • Linux kernel 资源管理错误漏洞的修复措施
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