CVE-2022-49020

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, p9fdcreatetcp and p9fdcreateunix will return an error directly instead of...

CVE-2024-49864

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix a race between socket set up and I/O thread creation In rxrpcopensocket, it sets up the socket and then sets up the I/O thread that will handle it. This is a problem, however, as there's a gap between the two phases in...

DEBIAN-CVE-2024-50044

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: FIX possible deadlock in rfcommskstatechange rfcommskstatechange attempts to use socklock so it must never be called with it locked but rfcommsockioctl always attempt to lock it causing the following trace:...

AZL-51242 CVE-2024-50035 affecting package kernel for versions less than 6.6.57.1-1

In the Linux kernel, the following vulnerability has been resolved: ppp: fix pppasyncencode illegal access syzbot reported an issue in pppasyncencode 1 In this case, pppoesendmsg is called with a zero size. Then pppasyncencode is called with an empty skb. BUG: KMSAN: uninit-value in pppasyncencod...

CVE-2022-49020

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, p9fdcreatetcp and p9fdcreateunix will return an error directly instead of...

DEBIAN-CVE-2022-49020

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, p9fdcreatetcp and p9fdcreateunix will return an error directly instead of...

DEBIAN-CVE-2022-49017

In the Linux kernel, the following vulnerability has been resolved: tipc: re-fetch skb cb after tipcmsgvalidate As the call trace shows, the original skb was freed in tipcmsgvalidate, and dereferencing the old skb cb would cause an use-after-free crash. BUG: KASAN: use-after-free in...

CVE-2022-49018

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix sleep in atomic at close time Matt reported a splat at msk close time: BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877 inatomic: 1, irqsdisabled: 0, nonblock: 0, pid: 155, name:...

DEBIAN-CVE-2022-49008

In the Linux kernel, the following vulnerability has been resolved: can: can327: can327feedframetonetdev: fix potential skb leak when netdev is down In can327feedframetonetdev, it did not free the skb when netdev is down, and all callers of can327feedframetonetdev did not free allocated skb too...

DEBIAN-CVE-2022-49015

In the Linux kernel, the following vulnerability has been resolved: net: hsr: Fix potential use-after-free The skb is delivered to netifrx which may free it, after calling this, dereferencing skb may trigger use-after-free...

UBUNTU-CVE-2022-48964

In the Linux kernel, the following vulnerability has been resolved: ravb: Fix potential use-after-free in ravbrxgbeth The skb is delivered to napigroreceive which may free it, after calling this, dereferencing skb may trigger use-after-free...

UBUNTU-CVE-2022-49018

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix sleep in atomic at close time Matt reported a splat at msk close time: BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877 inatomic: 1, irqsdisabled: 0, nonblock: 0, pid: 155, name:...

UBUNTU-CVE-2022-48958

In the Linux kernel, the following vulnerability has been resolved: ethernet: aeroflex: fix potential skb leak in grethinitrings The grethinitrings function won't free the newly allocated skb when dmamappingerror returns error, so add devkfreeskb to fix it. Compile tested only...

UBUNTU-CVE-2022-49026

In the Linux kernel, the following vulnerability has been resolved: e100: Fix possible use after free in e100xmitprepare In e100xmitprepare, if we can't map the skb, then return -ENOMEM, so e100xmitframe will return NETDEVTXBUSY and the upper layer will resend the skb. But the skb is already free...

UBUNTU-CVE-2024-50044

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: FIX possible deadlock in rfcommskstatechange rfcommskstatechange attempts to use socklock so it must never be called with it locked but rfcommsockioctl always attempt to lock it causing the following trace:...

UBUNTU-CVE-2022-49020

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, p9fdcreatetcp and p9fdcreateunix will return an error directly instead of...

UBUNTU-CVE-2022-48960

In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fix potential use-after-free in hix5hd2rx The skb is delivered to napigroreceive which may free it, after calling this, dereferencing skb may trigger use-after-free...

CVE-2022-49020 net/9p: Fix a potential socket leak in p9_socket_open

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, p9fdcreatetcp and p9fdcreateunix will return an error directly instead of...

CVE-2022-49020 net/9p: Fix a potential socket leak in p9_socket_open

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9socketopen Both p9fdcreatetcp and p9fdcreateunix will call p9socketopen. If the creation of p9transfd fails, p9fdcreatetcp and p9fdcreateunix will return an error directly instead of...

CVE-2022-49020

In CVE-2022-49020, the Linux kernel’s net/9p code has a socket leak: p9_fd_create_tcp() and p9_fd_create_unix() call p9_socket_open(), and if p9_trans_fd creation fails they return an error without releasing the socket. The root cause is failure to sock_release() the socket, which this patch fixe...