USN-6777-3: Linux kernel (GCP) vulnerabilities

Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service system crash. CVE-2023-47233 Several...

DEBIAN-CVE-2023-52845

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-2023-52745

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

DEBIAN-CVE-2023-52745

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

CVE-2023-52845

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

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-2023-52778

CVE-2023-52778 affects the Linux kernel’s MPTCP implementation. The root cause is a commit that allowed TCP sockets and MPTCP subflows to build egress packets larger than 64K, exceeding the DSS data size and causing misrepresentation on the wire and stream corruption. The issue manifests as large...

CVE-2023-52778 mptcp: deal with large GSO size

In the Linux kernel, the following vulnerability has been resolved: mptcp: deal with large GSO size After the blamed commit below, the TCP sockets and the MPTCP subflows can build egress packets larger than 64K. That exceeds the maximum DSS data size, the length being misrepresent on the wire and...

CVE-2023-52745 IB/IPoIB: Fix legacy IPoIB due to wrong number of queues

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

CVE-2023-52745 IB/IPoIB: Fix legacy IPoIB due to wrong number of queues

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

CVE-2023-52745 IB/IPoIB: Fix legacy IPoIB due to wrong number of queues

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

DEBIAN-CVE-2021-47394

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unlink table before deleting it syzbot reports following UAF: BUG: KASAN: use-after-free in memcmp+0x18f/0x1c0 lib/string.c:955 nlastrcmp+0xf2/0x130 lib/nlattr.c:836 nfttablelookup.part.0+0x1a2/0x460...

CVE-2021-47241

In the Linux kernel, the following vulnerability has been resolved: ethtool: strset: fix message length calculation Outer nest for ETHTOOLASTRSETSTRINGSETS is not accounted for. This may result in ETHTOOLMSGSTRSETGET producing a warning like: calculated message payload length 684 not sufficient...

DEBIAN-CVE-2021-47241

In the Linux kernel, the following vulnerability has been resolved: ethtool: strset: fix message length calculation Outer nest for ETHTOOLASTRSETSTRINGSETS is not accounted for. This may result in ETHTOOLMSGSTRSETGET producing a warning like: calculated message payload length 684 not sufficient...

DEBIAN-CVE-2021-47247

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5erepneighupdate wasn't updated to accommodate rtnl lock removal from TC filter update path and properly handle concurrent encap entry...

CVE-2021-47250

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix memory leak in netlblcipsov4addstd Reported by syzkaller: BUG: memory leak unreferenced object 0xffff888105df7000 size 64: comm "syz-executor842", pid 360, jiffies 4294824824 age 22.546s hex dump first 32 bytes: 00...

CVE-2021-47241

In the Linux kernel, the following vulnerability has been resolved: ethtool: strset: fix message length calculation Outer nest for ETHTOOLASTRSETSTRINGSETS is not accounted for. This may result in ETHTOOLMSGSTRSETGET producing a warning like: calculated message payload length 684 not sufficient...

CVE-2021-47418 net_sched: fix NULL deref in fifo_set_limit()

In the Linux kernel, the following vulnerability has been resolved: netsched: fix NULL deref in fifosetlimit syzbot reported another NULL deref in fifosetlimit 1 I could repro the issue with : unshare -n tc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbit tc qd replace dev ...

CVE-2021-47402

CVE-2021-47402 affects the Linux kernel’s net: sched: flower (cls_flower). The issue arises from a use-after-free when filters are deleted concurrently due to missing RCU protection during fl_walk() iteration after a patch refactor. The provided advisories state that fl_walk() must obtain the RCU...