Описание
Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP1)
This update for the Linux Kernel 4.12.14-197_75 fixes several issues.
The following security issues were fixed:
- CVE-2021-0941: In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation (bnc#1192045).
- CVE-2021-20322: Make the ipv4 and ipv6 ICMP exception caches less predictive to avoid information leaks about UDP ports in use. (bsc#1191790)
Список пакетов
SUSE Linux Enterprise Live Patching 12 SP4
SUSE Linux Enterprise Live Patching 12 SP5
SUSE Linux Enterprise Live Patching 15
SUSE Linux Enterprise Live Patching 15 SP1
Ссылки
- Link for SUSE-SU-2021:4038-1
- E-Mail link for SUSE-SU-2021:4038-1
- SUSE Security Ratings
- SUSE Bug 1191813
- SUSE Bug 1192048
- SUSE CVE CVE-2021-0941 page
- SUSE CVE CVE-2021-20322 page
Описание
In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-154177719References: Upstream kernel
Затронутые продукты
Ссылки
- CVE-2021-0941
- SUSE Bug 1192045
- SUSE Bug 1192048
Описание
A flaw in the processing of received ICMP errors (ICMP fragment needed and ICMP redirect) in the Linux kernel functionality was found to allow the ability to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypass the source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source port randomization are indirectly affected as well.
Затронутые продукты
Ссылки
- CVE-2021-20322
- SUSE Bug 1191790
- SUSE Bug 1191813
- SUSE Bug 1193290