CLSA-2024-1725876080 kernel: Fix of 44 CVEs

dmaengine: idxd: Fix possible Use-After-Free in irqprocessworklist CVE-2024-40956 - userfaultfd: fix a race between writeprotect and exitmmap CVE-2021-47461 - netfilter: nftables: use timestamp to check for set element timeout CVE-2024-27397 - x86/sev: Harden VC instruction emulation somewhat...

SUSE CVE-2024-44985

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UAF in ip6xmit If skbexpandhead returns NULL, skb has been freed and the associated dst/idev could also have been freed. We must use rcureadlock to prevent a possible UAF...

SUSE CVE-2024-44986

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in ip6finishoutput2 If skbexpandhead returns NULL, skb has been freed and associated dst/idev could also have been freed. We need to hold rcureadlock to make sure the dst and associated idev are alive...

SUSE CVE-2024-44998

In the Linux kernel, the following vulnerability has been resolved: atm: idt77252: prevent use after free in dequeuerx We can't dereference "skb" after calling vcc-push because the skb is released...

SUSE CVE-2024-44999

In the Linux kernel, the following vulnerability has been resolved: gtp: pull network headers in gtpdevxmit syzbot/KMSAN reported use of uninit-value in getdevxmit 1 We must make sure the IPv4 or Ipv6 header is pulled in skb-head before accessing fields in them. Use pskbinetmaypull to fix this...

SUSE CVE-2024-45001

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix RX buf allocsize alignment and atomic op panic The MANA driver's RX buffer allocsize is passed into napibuildskb to create SKB. skbshinfoskb is located at the end of skb, and its alignment is affected by the...

AZL-48639 CVE-2024-44985 affecting package kernel for versions less than 5.15.167.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UAF in ip6xmit If skbexpandhead returns NULL, skb has been freed and the associated dst/idev could also have been freed. We must use rcureadlock to prevent a possible UAF...

DEBIAN-CVE-2024-44987

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent UAF in ip6sendskb syzbot reported an UAF in ip6sendskb 1 After ip6localout has returned, we no longer can safely dereference rt, unless we hold rcureadlock. A similar issue has been fixed in commit a688caa34beb "ipv...

DEBIAN-CVE-2024-44986

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in ip6finishoutput2 If skbexpandhead returns NULL, skb has been freed and associated dst/idev could also have been freed. We need to hold rcureadlock to make sure the dst and associated idev are alive...

AZL-48686 CVE-2024-44986 affecting package kernel for versions less than 6.6.51.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible UAF in ip6finishoutput2 If skbexpandhead returns NULL, skb has been freed and associated dst/idev could also have been freed. We need to hold rcureadlock to make sure the dst and associated idev are alive...

UBUNTU-CVE-2024-44998

In the Linux kernel, the following vulnerability has been resolved: atm: idt77252: prevent use after free in dequeuerx We can't dereference "skb" after calling vcc-push because the skb is released...

UBUNTU-CVE-2024-44987

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent UAF in ip6sendskb syzbot reported an UAF in ip6sendskb 1 After ip6localout has returned, we no longer can safely dereference rt, unless we hold rcureadlock. A similar issue has been fixed in commit a688caa34beb "ipv...

UBUNTU-CVE-2024-44999

In the Linux kernel, the following vulnerability has been resolved: gtp: pull network headers in gtpdevxmit syzbot/KMSAN reported use of uninit-value in getdevxmit 1 We must make sure the IPv4 or Ipv6 header is pulled in skb-head before accessing fields in them. Use pskbinetmaypull to fix this...

CVE-2024-45001 net: mana: Fix RX buf alloc_size alignment and atomic op panic

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix RX buf allocsize alignment and atomic op panic The MANA driver's RX buffer allocsize is passed into napibuildskb to create SKB. skbshinfoskb is located at the end of skb, and its alignment is affected by the...

CVE-2024-44998

In the Linux kernel, the following vulnerability has been resolved: atm: idt77252: prevent use after free in dequeuerx We can't dereference "skb" after calling vcc-push because the skb is released...

kernel: ipvlan: Dont Use skb->sk in ipvlan_process_v{4,6}_outbound

In the Linux kernel, the following vulnerability has been resolved: ipvlan: Dont Use skb-sk in ipvlanprocessv4,6outbound Raw packet from PFPACKET socket ontop of an IPv6-backed ipvlan device will hit WARNONONCE in skmcloop through schdirectxmit path. WARNING: CPU: 2 PID: 0 at net/core/sock.c:775...

CVE-2024-44946

CVE-2024-44946 (Linux kernel, KCM) has a confirmed UAF/double-free risk in kcm_release arising when one thread frees an skb still in the KCM write queue due to concurrent kcm_sendmsg() operations. The issue occurs when a thread building a MSG_MORE skb holds kcm->seq_skb while another thread co...

OESA-2024-2076 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ipvlan: Dont Use skb-sk in ipvlanprocessv4,6outbound Raw packet from PFPACKET socket ontop of an IPv6-backed ipvlan device will hit WARNONONCE in skmcloop throug...

SUSE-SU-2024:3048-1 Security update for the Linux Kernel (Live Patch 43 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059158 fixes several issues. The following security issues were fixed: - CVE-2021-47402: Fixed use-after-free in flwalk bsc1225301 - CVE-2021-47378: Fixed use-after-free by destroying cm id before destroying qp bsc1225202. - CVE-2024-27398: Fixed...

SUSE-SU-2024:3037-1 Security update for the Linux Kernel (Live Patch 54 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122201 fixes several issues. The following security issues were fixed: - CVE-2021-47378: Fixed use-after-free by destroying cm id before destroying qp bsc1225202. - CVE-2024-27398: Fixed use-after-free bugs caused by scosocktimeout bsc1225013. -...