CVE-2024-36927 ipv4: Fix uninit-value access in __ip_make_skb()

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix uninit-value access in ipmakeskb KMSAN reported uninit-value access in ipmakeskb 1. ipmakeskb tests HDRINCL to know if the skb has icmphdr. However, HDRINCL can cause a race condition. If calling setsockopt2 with...

CVE-2024-36927 ipv4: Fix uninit-value access in __ip_make_skb()

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix uninit-value access in ipmakeskb KMSAN reported uninit-value access in ipmakeskb 1. ipmakeskb tests HDRINCL to know if the skb has icmphdr. However, HDRINCL can cause a race condition. If calling setsockopt2 with...

CVE-2024-36927

The CVE-2024-36927 issue is in the Linux kernel IPv4 path: uninit-value access in __ip_make_skb() due to a race with HDRINCL. The fix checks FLOWI_FLAG_KNOWN_NH on fl4->flowi4_flags instead of socket HDRINCL, and explicitly initializes fl4_icmp_type and fl4_icmp_code in raw_sendmsg() (the fiel...

CVE-2024-36903 ipv6: Fix potential uninit-value access in __ip6_make_skb()

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in ip6makeskb As it was done in commit fc1092f51567 "ipv4: Fix uninit-value access in ipmakeskb" for IPv4, check FLOWIFLAGKNOWNNH on fl6-flowi6flags instead of testing HDRINCL on the socket...

CVE-2024-36903 ipv6: Fix potential uninit-value access in __ip6_make_skb()

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in ip6makeskb As it was done in commit fc1092f51567 "ipv4: Fix uninit-value access in ipmakeskb" for IPv4, check FLOWIFLAGKNOWNNH on fl6-flowi6flags instead of testing HDRINCL on the socket...

CVE-2021-47297

In the Linux kernel, the following vulnerability has been resolved: net: fix uninit-value in caifseqpktsendmsg When nrsegs equal to zero in iovecfromuser, the object msg-msgiter.iov is uninit stack memory in caifseqpktsendmsg which is defined in syssendmsg. So we cann't just judge...

CVE-2023-52843

In the Linux kernel, the following vulnerability has been resolved: llc: verify mac len before reading mac header LLC reads the mac header with ethhdr without verifying that the skb has an Ethernet header. Syzbot was able to enter llcrcv on a tun device. Tun can insert packets without mac len and...

CVE-2021-47462

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: do not allow illegal MPOLFNUMABALANCING | MPOLLOCAL in mbind syzbot reported access to unitialized memory in mbind 1 Issue came with commit bda420b98505 "numa balancing: migrate on fault among multiple bound nodes"...

CVE-2023-52842

In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Fix uninit-value in virtiotransportrecvpkt KMSAN reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in virtiotransportrecvpkt+0x1dfb/0x26...

CVE-2023-52842

In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Fix uninit-value in virtiotransportrecvpkt KMSAN reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in virtiotransportrecvpkt+0x1dfb/0x26...

CVE-2023-52845 tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING

In the Linux kernel, the following vulnerability has been resolved: tipc: Change nlapolicy for bearer-related names to NLANULSTRING syzbot reported the following uninit-value access issue 1: ===================================================== BUG: KMSAN: uninit-value in strlen lib/string.c:418...

CVE-2023-52845 tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING

In the Linux kernel, the following vulnerability has been resolved: tipc: Change nlapolicy for bearer-related names to NLANULSTRING syzbot reported the following uninit-value access issue 1: ===================================================== BUG: KMSAN: uninit-value in strlen lib/string.c:418...

CVE-2023-52845 tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING

In the Linux kernel, the following vulnerability has been resolved: tipc: Change nlapolicy for bearer-related names to NLANULSTRING syzbot reported the following uninit-value access issue 1: ===================================================== BUG: KMSAN: uninit-value in strlen lib/string.c:418...

CVE-2023-52845

The CVE-2023-52845 vulnerability affects the Linux kernel TIPC bearer-name handling. A non-null-terminated bearer name passed via netlink could trigger a buffer overrun when functions like strstr are used on bearer-name strings, leading to an uninitialized-value exposure as reported by syzbot. Th...

CVE-2023-52842 virtio/vsock: Fix uninit-value in virtio_transport_recv_pkt()

In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Fix uninit-value in virtiotransportrecvpkt KMSAN reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in virtiotransportrecvpkt+0x1dfb/0x26...

CVE-2023-52842 virtio/vsock: Fix uninit-value in virtio_transport_recv_pkt()

In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Fix uninit-value in virtiotransportrecvpkt KMSAN reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in virtiotransportrecvpkt+0x1dfb/0x26...

CVE-2023-52842 virtio/vsock: Fix uninit-value in virtio_transport_recv_pkt()

In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Fix uninit-value in virtiotransportrecvpkt KMSAN reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in virtiotransportrecvpkt+0x1dfb/0x26...

CVE-2023-52842

In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Fix uninit-value in virtiotransportrecvpkt KMSAN reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in virtiotransportrecvpkt+0x1dfb/0x26...

CVE-2021-47297

In the Linux kernel, the following vulnerability has been resolved: net: fix uninit-value in caifseqpktsendmsg When nrsegs equal to zero in iovecfromuser, the object msg-msgiter.iov is uninit stack memory in caifseqpktsendmsg which is defined in syssendmsg. So we cann't just judge...

CVE-2021-47297

In the Linux kernel, the following vulnerability has been resolved: net: fix uninit-value in caifseqpktsendmsg When nrsegs equal to zero in iovecfromuser, the object msg-msgiter.iov is uninit stack memory in caifseqpktsendmsg which is defined in syssendmsg. So we cann't just judge...