Vulnerability-Lookup

BDU:2020-05454

Vulnerability from fstec - Published: 08.11.2020

Title

Уязвимость функции sunkbd_reinit() (drivers/input/keyboard/sunkbd.c) ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Description

Уязвимость функции sunkbd_reinit() (drivers/input/keyboard/sunkbd.c) ядра операционной системы Linux связана с использованием памяти после её освобождения. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании

Severity ?


                    
                      AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor

АО "НППКТ", Сообщество свободного программного обеспечения

Software Name

ОСОН ОСнова Оnyx (запись в едином реестре российских программ №5913), Linux

Software Version

до 2.4 (ОСОН ОСнова Оnyx), от 4.20 до 5.4.78 включительно (Linux), от 5.5 до 5.9.9 включительно (Linux), от 4.0 до 4.4.244 включительно (Linux), от 4.5 до 4.9.244 включительно (Linux), от 4.10 до 4.14.207 включительно (Linux), от 4.15 до 4.19.158 включительно (Linux)

Possible Mitigations

Использование рекомендаций: Для Linux: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?h=for-linus&id=77e70d351db7de07a46ac49b87a6c3c7a60fca7e https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=77e70d351db7de07a46ac49b87a6c3c7a60fca7e https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.208 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.159 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.245 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.245 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.79 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.10 Для ОСОН Основа: Обновление программного обеспечения linux до версии 5.14.9-2.osnova179.1

Reference

http://www.openwall.com/lists/oss-security/2020/11/05/2 http://www.openwall.com/lists/oss-security/2020/11/20/5 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25669 https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?h=for-linus&id=77e70d351db7de07a46ac49b87a6c3c7a60fca7e https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=77e70d351db7de07a46ac49b87a6c3c7a60fca7e https://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.208 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.159 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.245 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.245 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.79 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.10 https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html https://security.netapp.com/advisory/ntap-20210702-0006/ https://ubuntu.com/security/notices/USN-4708-1 https://ubuntu.com/security/notices/USN-4709-1 https://ubuntu.com/security/notices/USN-4749-1 https://ubuntu.com/security/notices/USN-4750-1 https://ubuntu.com/security/notices/USN-4751-1 https://ubuntu.com/security/notices/USN-4912-1 https://usn.ubuntu.com/usn/usn-4708-1 https://usn.ubuntu.com/usn/usn-4709-1 https://usn.ubuntu.com/usn/usn-4749-1 https://usn.ubuntu.com/usn/usn-4750-1 https://usn.ubuntu.com/usn/usn-4751-1 https://usn.ubuntu.com/usn/usn-4912-1 https://www.cve.org/CVERecord?id=CVE-2020-25669 https://www.linuxkernelcves.com/cves/CVE-2020-25669 https://www.openwall.com/lists/oss-security/2020/11/05/2 https://www.openwall.com/lists/oss-security/2020/11/05/2%2C https://www.openwall.com/lists/oss-security/2020/11/20/5%2C https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.4/

CWE

CWE-416

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:S/C:C/I:C/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "\u0410\u041e \"\u041d\u041f\u041f\u041a\u0422\", \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u0434\u043e 2.4 (\u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx), \u043e\u0442 4.20 \u0434\u043e 5.4.78 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.5 \u0434\u043e 5.9.9 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.0 \u0434\u043e 4.4.244 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.5 \u0434\u043e 4.9.244 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.10 \u0434\u043e 4.14.207 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.158 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\u0414\u043b\u044f Linux:\nhttps://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?h=for-linus\u0026id=77e70d351db7de07a46ac49b87a6c3c7a60fca7e\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=77e70d351db7de07a46ac49b87a6c3c7a60fca7e\nhttps://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.208\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.159\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.245\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.245\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.79\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.10\n\n\u0414\u043b\u044f \u041e\u0421\u041e\u041d \u041e\u0441\u043d\u043e\u0432\u0430:\n\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f linux \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 5.14.9-2.osnova179.1",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "08.11.2020",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "13.09.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "01.12.2020",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2020-05454",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2020-25669",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "\u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21165913), Linux",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "\u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Linux \u0434\u043e 5.10 rc5 ",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 sunkbd_reinit() (drivers/input/keyboard/sunkbd.c) \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Linux, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0435",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u0441\u043b\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f (CWE-416)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 sunkbd_reinit() (drivers/input/keyboard/sunkbd.c) \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Linux \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0451 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "http://www.openwall.com/lists/oss-security/2020/11/05/2\nhttp://www.openwall.com/lists/oss-security/2020/11/20/5\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25669\nhttps://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git/commit/?h=for-linus\u0026id=77e70d351db7de07a46ac49b87a6c3c7a60fca7e\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=77e70d351db7de07a46ac49b87a6c3c7a60fca7e\nhttps://github.com/torvalds/linux/commit/77e70d351db7de07a46ac49b87a6c3c7a60fca7e\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.208\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.159\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.245\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.245\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.79\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.10\nhttps://lists.debian.org/debian-lts-announce/2020/12/msg00015.html\nhttps://lists.debian.org/debian-lts-announce/2020/12/msg00027.html\nhttps://security.netapp.com/advisory/ntap-20210702-0006/\nhttps://ubuntu.com/security/notices/USN-4708-1\nhttps://ubuntu.com/security/notices/USN-4709-1\nhttps://ubuntu.com/security/notices/USN-4749-1\nhttps://ubuntu.com/security/notices/USN-4750-1\nhttps://ubuntu.com/security/notices/USN-4751-1\nhttps://ubuntu.com/security/notices/USN-4912-1\nhttps://usn.ubuntu.com/usn/usn-4708-1\nhttps://usn.ubuntu.com/usn/usn-4709-1\nhttps://usn.ubuntu.com/usn/usn-4749-1\nhttps://usn.ubuntu.com/usn/usn-4750-1\nhttps://usn.ubuntu.com/usn/usn-4751-1\nhttps://usn.ubuntu.com/usn/usn-4912-1\nhttps://www.cve.org/CVERecord?id=CVE-2020-25669\nhttps://www.linuxkernelcves.com/cves/CVE-2020-25669\nhttps://www.openwall.com/lists/oss-security/2020/11/05/2\nhttps://www.openwall.com/lists/oss-security/2020/11/05/2%2C\nhttps://www.openwall.com/lists/oss-security/2020/11/20/5%2C\nhttps://\u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430.\u043d\u043f\u043f\u043a\u0442.\u0440\u0444/bin/view/\u041e\u0421\u043d\u043e\u0432\u0430/\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f/2.4/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-416",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 6,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)"
}

CVE-2020-25669 (GCVE-0-2020-25669)

Vulnerability from cvelistv5 – Published: 2021-05-26 11:25 – Updated: 2024-08-04 15:40

Summary

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

Severity ?

No CVSS data available.

CWE

CWE-416

Assigner

redhat

References

URL

Tags

	http://www.openwall.com/lists/oss-security/2020/11/05/2	mailing-listx_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2020/11/20/5	mailing-listx_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://www.openwall.com/lists/oss-security/2020/…	x_refsource_MISC
	https://www.openwall.com/lists/oss-security/2020/…	x_refsource_MISC
	https://github.com/torvalds/linux/commit/77e70d35…	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-2021070…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	Linux Kernel	Affected: 5.9.4

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 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.

Detection rules are retrieved from Rulezet.

Action not permitted

BDU:2020-05454

CVE-2020-25669 (GCVE-0-2020-25669)

Tags

Sightings

Nomenclature