CVE-2021-47237 net: hamradio: fix memory leak in mkiss_close

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: fix memory leak in mkissclose My local syzbot instance hit memory leak in mkissopen1. The problem was in missing freenetdev in mkissclose. In mkissopen netdevice is allocated and then registered, but in mkissclose...

CVE-2021-47225

Linux kernel mac80211 deadlock when AP_VLANs are up and the AP interface is closed. Root cause: dev_close() held the wiphy mutex triggers netdev cfg80211 notifier to re-acquire the wiphy mutex. Fixes described: (1) prevent changing iftype while AP_VLANs are up; (2) move the dev_close() loop over ...

SUSE CVE-2024-35849

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix information leak in btrfsioctllogicaltoino Syzbot reported the following information leak for in btrfsioctllogicaltoino: BUG: KMSAN: kernel-infoleak in instrumentcopytouser include/linux/instrumented.h:114 inline BUG:...

CVE-2024-36008

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in iprouteusehint syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears the bug exists in latest trees. All calls to indevgetrcu must be checked for a NULL result. 1...

CVE-2024-35976

In the Linux kernel, the following vulnerability has been resolved: xsk: validate user input for XDPUMEM|COMPLETIONFILLRING syzbot reported an illegal copy in xsksetsockopt 1 Make sure to validate setsockopt @optlen parameter. 1 BUG: KASAN: slab-out-of-bounds in copyfromsockptroffset...

CVE-2024-35896

CVE-2024-35896 is a vulnerability in the Linux kernel's Netfilter component, where the setsockopt function fails to properly validate the length of user-supplied data before copying it into kernel space. This oversight can lead to out-of-bounds memory access, potentially causing system crashes or...

CVE-2024-35915

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in ncidevup and ncintfpacket syzbot reported the following uninit-value access issue 12: ncirxwork parses and processes received packet. When the payload length is zero, each message type handler reads...

CVE-2024-35967

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix not validating setsockopt user input syzbot reported scosocksetsockopt is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copyfromsockptroffset include/linux/sockptr.h:49...

CVE-2024-36008 ipv4: check for NULL idev in ip_route_use_hint()

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in iprouteusehint syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears the bug exists in latest trees. All calls to indevgetrcu must be checked for a NULL result. 1...

CVE-2024-35976 xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING

In the Linux kernel, the following vulnerability has been resolved: xsk: validate user input for XDPUMEM|COMPLETIONFILLRING syzbot reported an illegal copy in xsksetsockopt 1 Make sure to validate setsockopt @optlen parameter. 1 BUG: KASAN: slab-out-of-bounds in copyfromsockptroffset...

CVE-2024-35973 geneve: fix header validation in geneve[6]_xmit_skb

In the Linux kernel, the following vulnerability has been resolved: geneve: fix header validation in geneve6xmitskb syzbot is able to trigger an uninit-value in genevexmit 1 Problem : While most ip tunnel helpers like iptunnelgetdsfield uses skbprotocolskb, true, pskbinetmaypull is only using...

CVE-2024-35967 Bluetooth: SCO: Fix not validating setsockopt user input

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix not validating setsockopt user input syzbot reported scosocksetsockopt is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copyfromsockptroffset include/linux/sockptr.h:49...

CVE-2024-35967 Bluetooth: SCO: Fix not validating setsockopt user input

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix not validating setsockopt user input syzbot reported scosocksetsockopt is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copyfromsockptroffset include/linux/sockptr.h:49...

CVE-2024-35967 Bluetooth: SCO: Fix not validating setsockopt user input

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix not validating setsockopt user input syzbot reported scosocksetsockopt is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copyfromsockptroffset include/linux/sockptr.h:49...

CVE-2024-35966 Bluetooth: RFCOMM: Fix not validating setsockopt user input

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix not validating setsockopt user input syzbot reported rfcommsocksetsockoptold is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copyfromsockptroffset...

UBUNTU-CVE-2024-35934

In the Linux kernel, the following vulnerability has been resolved: net/smc: reduce rtnl pressure in smcpnetcreatepnetidslist Many syzbot reports show extreme rtnl pressure, and many of them hint that smc acquires rtnl in netns creation for no good reason 1 This patch returns early from...

CVE-2024-35934 net/smc: reduce rtnl pressure in smc_pnet_create_pnetids_list()

In the Linux kernel, the following vulnerability has been resolved: net/smc: reduce rtnl pressure in smcpnetcreatepnetidslist Many syzbot reports show extreme rtnl pressure, and many of them hint that smc acquires rtnl in netns creation for no good reason 1 This patch returns early from...

CVE-2024-35934

The CVE-2024-35934 issue affects the Linux kernel net/smc subsystem. Affected component: smc_pnet-related code in net/smc (pnet IDs list creation). Root cause: excessive RTNL (rtnl) lock pressure during net namespace/pnet initialization, caused by smc_pnet_create_pnetids_list() acquiring rtnl in ...

CVE-2024-35896

In the Linux kernel, the following vulnerability has been resolved: netfilter: validate user input for expected length I got multiple syzbot reports showing old bugs exposed by BPF after commit 20f2505fb436 "bpf: Try to avoid kzalloc in cgroup/s,getsockopt" setsockopt @optlen argument should be...

CVE-2024-35915 nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in ncidevup and ncintfpacket syzbot reported the following uninit-value access issue 12: ncirxwork parses and processes received packet. When the payload length is zero, each message type handler reads...