ALT-PU-2021-3053-1
Package kernel-image-un-def updated to version 5.14.13-alt1 for branch sisyphus in task 287531.
Closed vulnerabilities
                                                                                    Published: 2021-09-30
                                                                                    
                                                                                
                                                                            BDU:2022-03143
Уязвимость функции prealloc_elems_and_freelist (kernel/bpf/stackmap.c) ядра операционной системы Linux, позволяющая нарушителю получить доступ к конфиденциальной информации или вызвать отказ в обслуживании
                                                                                        
                                                                                        
                                                                                            Severity: HIGH (7.8)
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                            Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                                                                                        
                                                                                        
                                                                                    
                                                                                
                                                                                        
                                                                                        
                                                                                            Severity: MEDIUM (6.8)
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                            Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C
                                                                                        
                                                                                        
                                                                                    
                                                                                References:
                                                                        
                                                                        
                                                                    
                                                                                    Published: 2021-10-02
Modified: 2024-11-21
                                                                            Modified: 2024-11-21
CVE-2021-41864
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resultant out-of-bounds write.
                                                                                        
                                                                                        
                                                                                            Severity: MEDIUM (4.6)
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                            Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
                                                                                        
                                                                                        
                                                                                    
                                                                                
                                                                                        
                                                                                        
                                                                                            Severity: HIGH (7.8)
                                                                                        
                                                                                        
                                                                                        
                                                                                        
                                                                                            Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                                                                                        
                                                                                        
                                                                                    
                                                                                References:
                                                                        - https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12
- https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=30e29a9a2bc6a4888335a6ede968b75cd329657a
- https://github.com/torvalds/linux/commit/30e29a9a2bc6a4888335a6ede968b75cd329657a
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/
- https://security.netapp.com/advisory/ntap-20211029-0004/
- https://www.debian.org/security/2022/dsa-5096
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.12
- https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=30e29a9a2bc6a4888335a6ede968b75cd329657a
- https://github.com/torvalds/linux/commit/30e29a9a2bc6a4888335a6ede968b75cd329657a
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/
- https://security.netapp.com/advisory/ntap-20211029-0004/
- https://www.debian.org/security/2022/dsa-5096
