CVE-2021-33655

一、漏洞信息
 漏洞编号：[CVE-2021-33655](https://nvd.nist.gov/vuln/detail/CVE-2021-33655)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,5.18,5.19.0-rc1
 CVSS V3.0分值：
  BaseScore：7.8 High
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
 漏洞简述：
  When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.
 漏洞公开时间：2022-07-18 23:15:00
 漏洞创建时间：2022-07-12 09:13:58
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-33655
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| nvd | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  |
| nvd | http://www.openwall.com/lists/oss-security/2022/07/19/2 |  |
| nvd | https://www.debian.org/security/2022/dsa-5191 |  |
| nvd | https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html |  |
| redhat | https://access.redhat.com/security/cve/CVE-2021-33655 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-33655 | https://bugzilla.suse.com/show_bug.cgi?id=1201635 |
| suse_bugzilla | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33655 | https://bugzilla.suse.com/show_bug.cgi?id=1201635 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 | https://bugzilla.suse.com/show_bug.cgi?id=1201635 |
| redhat_bugzilla | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 | https://bugzilla.redhat.com/show_bug.cgi?id=2108691 |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33655 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5577-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5580-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5596-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5621-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5622-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5623-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5624-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5630-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5633-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5635-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5639-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5640-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5644-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5647-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5648-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5650-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5652-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5654-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5655-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5660-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://ubuntu.com/security/notices/USN-5683-1 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-33655 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-33655 | https://ubuntu.com/security/CVE-2021-33655 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-33655 | https://ubuntu.com/security/CVE-2021-33655 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2021-33655 |
| oracle |  | https://www.oracle.com/security-alerts/ovmbulletinjul2022.html |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2021-33655 |
| cve_search |  | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |
| cve_search |  | http://www.openwall.com/lists/oss-security/2022/07/19/2 |
| cve_search |  | https://www.debian.org/security/2022/dsa-5191 |
| cve_search |  | https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2021-33655.html | https://alas.aws.amazon.com/AL2/ALAS-2022-1833.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-36123.html | https://alas.aws.amazon.com/AL2/ALAS-2022-1833.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-36879.html | https://alas.aws.amazon.com/AL2/ALAS-2022-1833.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2257.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2264.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2284.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2285.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2286.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2287.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2288.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2289.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2304.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2343.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2344.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2345.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2816.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2817.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2819.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-3037.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| nvd | https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-33655 |  |
| suse_bugzilla | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33655 |  |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  |
| redhat_bugzilla | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  |
| redhat_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2108691 |  |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33655 |  |
| ubuntu | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  |
| ubuntu | https://ubuntu.com/security/notices/USN-5577-1 |  |
| ubuntu | https://ubuntu.com/security/notices/USN-5580-1 |  |
| ubuntu | https://ubuntu.com/security/notices/USN-5596-1 |  |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-33655 |  |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-33655 |  |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-33655 |  |
| debian | https://security-tracker.debian.org/tracker/CVE-2021-33655 |  |
| oracle | https://www.oracle.com/security-alerts/ovmbulletinjul2022.html |  |
| anolis | https://anas.openanolis.cn/cves/detail/CVE-2021-33655 |  |
| cve_search | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  |
| cve_search | http://www.openwall.com/lists/oss-security/2022/07/19/2 |  |
| cve_search | https://www.debian.org/security/2022/dsa-5191 |  |
| nvd | https://www.debian.org/security/2022/dsa-5191 |  |

</details>

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:
  其它
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

| 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/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  | nvd |
|  |  | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  | suse_bugzilla |
|  |  | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  | redhat_bugzilla |
|  |  | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  | ubuntu |
| linux_kernel | 4.14.288 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f7e7c2ad446f359f54f4ea6a0a30b218e5edf134 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 4.19.252 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=eae522ed28fe1c00375a8a0081a97dce7996e4d8 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 5.10.130 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=b727561ddc9360de9631af2d970d8ffed676a750 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 5.15.54 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=6886327780254ba749b770373653b6afc2a339fc | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 5.18.11 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=9ae8c4f7fb45641294e9bd3b243d4ff472796ae7 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
| linux_kernel | 5.4.205 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=4f34f380f952289e818c76617bbb5c9a3a9a9dd0 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | linuxkernelcves |
|  |  | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=086ff84617185393a0bbf25830c4f36412a7d3f4 |  | cve_search |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
          对设备文件/dev/fb1调用ioctl函数，cmd为FBIOPUT_VSCREENINFO，然后对设备文件/dev/vcsa4调用write函数进行写操作，可以>引起KASAN: vmalloc-out-of-bounds in sys_imageblit问题。需要tty和video群组权限访问设备文件/dev/tty1、/dev/fb1、/dev/vcsa4.    
 openEuler评分：
  7.8
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
 受影响版本排查(受影响/不受影响)：
  1.openEuler-22.03-LTS:受影响
2.openEuler-20.03-LTS-SP1(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.90):受影响

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

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2022-1802

src-openEuler/kernel

Content Risk Flag

Comments (7)

src-openEuler/kernel .gitee-modal { width: 500px !important; }

Content Risk Flag

CVE-2021-33655

Comments (7)

Search

src-openEuler/kernel