CVE-2023-20593

一、漏洞信息
漏洞编号：CVE-2023-20593
漏洞归属组件：kernel
漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0
CVSS V3.0分值：
BaseScore：5.5 Medium
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
漏洞简述：
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
漏洞公开时间：2023-07-25 04:15:00
漏洞创建时间：2023-07-25 00:39:57
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2023-20593

更多参考(点击展开)

参考来源	参考链接	来源链接
psirt.amd.com	http://seclists.org/fulldisclosure/2023/Jul/43
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/24/3
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/1
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/12
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/13
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/14
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/15
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/16
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/17
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/5
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/25/6
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/26/1
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/07/31/2
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/08/08/6
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/08/08/7
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/08/08/8
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/08/16/4
psirt.amd.com	http://www.openwall.com/lists/oss-security/2023/08/16/5
psirt.amd.com	http://xenbits.xen.org/xsa/advisory-433.html
psirt.amd.com	https://cmpxchg8b.com/zenbleed.html
psirt.amd.com	https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
psirt.amd.com	https://lists.debian.org/debian-lts-announce/2023/07/msg00033.html
psirt.amd.com	https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
psirt.amd.com	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/
psirt.amd.com	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/
psirt.amd.com	https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008
psirt.amd.com	https://www.debian.org/security/2023/dsa-5459
psirt.amd.com	https://www.debian.org/security/2023/dsa-5461
psirt.amd.com	https://www.debian.org/security/2023/dsa-5462
redhat_bugzilla	https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7008.html	https://bugzilla.redhat.com/show_bug.cgi?id=2217845
redhat_bugzilla	https://lock.cmpxchg8b.com/zenbleed.html	https://bugzilla.redhat.com/show_bug.cgi?id=2217845
redhat_bugzilla	https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=0bc3126c9cfa0b8c761483215c25382f831a7c6f	https://bugzilla.redhat.com/show_bug.cgi?id=2217845
redhat_bugzilla	https://access.redhat.com/security/cve/cve-2023-20593	https://bugzilla.redhat.com/show_bug.cgi?id=2217845
redhat_bugzilla	https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=0bc3126c9cfa0b8c761483215c25382f831a7c6f?	https://bugzilla.redhat.com/show_bug.cgi?id=2217845
redhat_bugzilla	https://packages.fedoraproject.org/pkgs/linux-firmware/linux-firmware/	https://bugzilla.redhat.com/show_bug.cgi?id=2217845
ubuntu	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20593	https://ubuntu.com/security/CVE-2023-20593
ubuntu	https://lore.kernel.org/linux-firmware/20230718231959.3163407-1-john.allen@amd.com/T/#maa00a9e4b26bcdbf0370b24bdb082639ad0b8dd6	https://ubuntu.com/security/CVE-2023-20593
ubuntu	https://marc.info/?l=oss-security&m=169020885715049&w=2	https://ubuntu.com/security/CVE-2023-20593
ubuntu	https://lock.cmpxchg8b.com/zenbleed.html	https://ubuntu.com/security/CVE-2023-20593
ubuntu	https://nvd.nist.gov/vuln/detail/CVE-2023-20593	https://ubuntu.com/security/CVE-2023-20593
ubuntu	https://launchpad.net/bugs/cve/CVE-2023-20593	https://ubuntu.com/security/CVE-2023-20593
ubuntu	https://security-tracker.debian.org/tracker/CVE-2023-20593	https://ubuntu.com/security/CVE-2023-20593
debian		https://security-tracker.debian.org/tracker/CVE-2023-20593
anolis		https://anas.openanolis.cn/cves/detail/CVE-2023-20593
cve_search		https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008
cve_search		http://www.openwall.com/lists/oss-security/2023/07/24/3
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/6
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/5
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/1
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/17
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/12
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/16
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/15
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/14
cve_search		http://www.openwall.com/lists/oss-security/2023/07/25/13
cve_search		http://seclists.org/fulldisclosure/2023/Jul/43
cve_search		https://cmpxchg8b.com/zenbleed.html
cve_search		http://www.openwall.com/lists/oss-security/2023/07/26/1
cve_search		http://xenbits.xen.org/xsa/advisory-433.html
cve_search		https://www.debian.org/security/2023/dsa-5459
cve_search		https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
cve_search		https://www.debian.org/security/2023/dsa-5462
cve_search		https://www.debian.org/security/2023/dsa-5461
cve_search		https://lists.debian.org/debian-lts-announce/2023/07/msg00033.html
cve_search		http://www.openwall.com/lists/oss-security/2023/07/31/2
cve_search		https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
cve_search		https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/
cve_search		http://www.openwall.com/lists/oss-security/2023/08/08/8
cve_search		http://www.openwall.com/lists/oss-security/2023/08/08/7
cve_search		http://www.openwall.com/lists/oss-security/2023/08/08/6
cve_search		http://www.openwall.com/lists/oss-security/2023/08/16/4
cve_search		http://www.openwall.com/lists/oss-security/2023/08/16/5
cve_search		https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/
mageia		http://advisories.mageia.org/MGASA-2023-0244.html

漏洞分析指导链接：
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
漏洞数据来源:
openBrain开源漏洞感知系统
漏洞补丁信息：

详情(点击展开)

影响的包	修复版本	修复补丁	问题引入补丁	来源
		https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=0bc3126c9cfa0b8c761483215c25382f831a7c6f		redhat_bugzilla
		https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=0bc3126c9cfa0b8c761483215c25382f831a7c6f?		redhat_bugzilla
linux_kernel	4.19.289	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=cfef7bbf0dca27209ea5d82d7060d4fc2c0d72ea	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2	linuxkernelcves
linux_kernel	5.10.187	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=93df00f9d48d48466ddbe01a06eaaf3311ecfb53	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2	linuxkernelcves
linux_kernel	5.15.122	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=be824fdb827dc06f77a31122949fe1bc011e3e1e	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2	linuxkernelcves
linux_kernel	5.4.250	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=00363ef30797211c247605464dc3daaa988531a2	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2	linuxkernelcves
linux_kernel	6.1.41	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ed9b87010aa84c157096f98c322491e9af8e8f07	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2	linuxkernelcves
linux_kernel	6.4.6	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=9b8bb5c4e25678af895dc9dd4a1e82b2f948cacc	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2	linuxkernelcves
linux-firmware		https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=0bc3126c9cfa0b8c761483215c25382f831a7c6f%20(family%2017h)		ubuntu
linux-firmware		https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=b250b32ab1d044953af2dc5e790819a7703b7ee6%20(family%2019h)		ubuntu

二、漏洞分析结构反馈
影响性分析说明：
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
openEuler评分：
5.5
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
受影响版本排查(受影响/不受影响)：
1.openEuler-20.03-LTS-SP1(4.19.90):不受影响
2.openEuler-20.03-LTS-SP3:不受影响
3.openEuler-22.03-LTS:不受影响
4.openEuler-22.03-LTS-SP1:不受影响
5.openEuler-22.03-LTS-SP2:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP3:否
3.openEuler-22.03-LTS:否
4.openEuler-22.03-LTS-SP1:否
5.openEuler-22.03-LTS-SP2:否

Hi openeuler-ci-bot, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here.
If you have any questions, please contact the SIG: Kernel, and any of the maintainers.

@YangYingliang ,@成坚 (CHENG Jian) ,@jiaoff ,@AlexGuo ,@hanjun-guo ,@woqidaideshi ,@Jackie Liu ,@Zhang Yi ,@colyli ,@ThunderTown ,@htforge ,@Chiqijun ,@冷嘲啊 ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@Kefeng ,@SuperSix173 ,@WangShaoBo ,@Zheng Zucheng
issue处理注意事项:
1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;
2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;
3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否))不能省略,省略后cve-manager将无法正常解析填写内容.

影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1(4.19.90):
2.openEuler-20.03-LTS-SP3(4.19.90):
3.openEuler-22.03-LTS:
4.openEuler-22.03-LTS-SP1:
5.openEuler-22.03-LTS-SP2:

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):
2.openEuler-20.03-LTS-SP3(4.19.90):
3.openEuler-22.03-LTS:
4.openEuler-22.03-LTS-SP1:
5.openEuler-22.03-LTS-SP2:

issue处理具体操作请参考:
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2023-20593
https://ubuntu.com/security/CVE-2023-20593	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2023-20593
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-20593
https://security-tracker.debian.org/tracker/CVE-2023-20593
http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2023-20593

说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用CVE补丁工具。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

CVE-2023-20593
I7NLYY

影响性分析说明：
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

openEuler评分:(评分和向量)
5.5
CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP1(4.19.90):不受影响
2.openEuler-20.03-LTS-SP3(4.19.90):不受影响
3.openEuler-22.03-LTS:不受影响
4.openEuler-22.03-LTS-SP1:不受影响
5.openEuler-22.03-LTS-SP2:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP3(4.19.90):否
3.openEuler-22.03-LTS:否
4.openEuler-22.03-LTS-SP1:否
5.openEuler-22.03-LTS-SP2:否

cpu漏洞，修改bios，非内核CVE

@YangYingliang 经过 cve-manager 解析, 已分析的内容如下表所示:

状态	需分析	内容
已分析	1.影响性分析说明	An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
已分析	2.openEulerScore	5.5
已分析	3.openEulerVector	AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
已分析	4.受影响版本排查	openEuler-20.03-LTS-SP1:不受影响,openEuler-20.03-LTS-SP3:不受影响,openEuler-22.03-LTS:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP2:不受影响
已分析	5.修复是否涉及abi变化	openEuler-20.03-LTS-SP1:否,openEuler-20.03-LTS-SP3:否,openEuler-22.03-LTS:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP2:否

请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.

尽管该CVE非内核问题，但内核还是提供了一个规避方案。详见相关PR。

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