CVE-2021-47103 inet: fully convert sk->sk_rx_dst to RCU rules

In the Linux kernel, the following vulnerability has been resolved: inet: fully convert sk-skrxdst to RCU rules syzbot reported various issues around early demux, one being included in this changelog 1 sk-skrxdst is using RCU protection without clearly documenting it. And following sequences in...

CVE-2021-47103 inet: fully convert sk->sk_rx_dst to RCU rules

In the Linux kernel, the following vulnerability has been resolved: inet: fully convert sk-skrxdst to RCU rules syzbot reported various issues around early demux, one being included in this changelog 1 sk-skrxdst is using RCU protection without clearly documenting it. And following sequences in...

CVE-2021-47102 net: marvell: prestera: fix incorrect structure access

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix incorrect structure access In line: upper = info-upperdev; We access upperdev field, which is related only for particular events e.g. event == NETDEVCHANGEUPPER. So, this line cause invalid memory acce...

CVE-2021-47102 net: marvell: prestera: fix incorrect structure access

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix incorrect structure access In line: upper = info-upperdev; We access upperdev field, which is related only for particular events e.g. event == NETDEVCHANGEUPPER. So, this line cause invalid memory acce...

CVE-2021-47102

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix incorrect structure access In line: upper = info-upperdev; We access upperdev field, which is related only for particular events e.g. event == NETDEVCHANGEUPPER. So, this line cause invalid memory acce...

CVE-2021-47099 veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47097 Input: elantech - fix stack out of bound access in elantech_change_report_id()

In the Linux kernel, the following vulnerability has been resolved: Input: elantech - fix stack out of bound access in elantechchangereportid The array param in elantechchangereportid must be at least 3 bytes, because elantechreadregparams is calling ps2command with PSMOUSECMDGETINFO, that is goi...

CVE-2021-47082 tun: avoid double free in tun_free_netdev

In the Linux kernel, the following vulnerability has been resolved: tun: avoid double free in tunfreenetdev Avoid double free in tunfreenetdev by moving the dev-tstats and tun-security allocs to a new ndoinit routine tunnetinit that will be called by registernetdevice. ndoinit is paired with the...

CVE-2021-47082

In the Linux kernel, the following vulnerability has been resolved: tun: avoid double free in tunfreenetdev Avoid double free in tunfreenetdev by moving the dev-tstats and tun-security allocs to a new ndoinit routine tunnetinit that will be called by registernetdevice. ndoinit is paired with the...

CVE-2021-47080

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prevent divide-by-zero error triggered by the user The userentrysize is supplied by the user and later used as a denominator to calculate number of entries. The zero supplied by the user will trigger the following...

CVE-2023-52576

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate from imafreekexecbuffer The code calling imafreekexecbuffer runs long after the memblock allocator has already been torn down, potentially resulting in a use after free in...

DEBIAN-CVE-2023-52572

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix UAF in cifsdemultiplexthread There is a UAF when xfstests on cifs: BUG: KASAN: use-after-free in smb2isnetworknamedeleted+0x27/0x160 Read of size 4 at addr ffff88810103fc08 by task cifsd/923 CPU: 1 PID: 923 Comm: cifsd...

AZL-54137 CVE-2023-52572 affecting package kernel for versions less than 5.15.182.1-1

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix UAF in cifsdemultiplexthread There is a UAF when xfstests on cifs: BUG: KASAN: use-after-free in smb2isnetworknamedeleted+0x27/0x160 Read of size 4 at addr ffff88810103fc08 by task cifsd/923 CPU: 1 PID: 923 Comm: cifsd...

DEBIAN-CVE-2023-52504

In the Linux kernel, the following vulnerability has been resolved: x86/alternatives: Disable KASAN in applyalternatives Fei has reported that KASAN triggers during applyalternatives on a 5-level paging machine: BUG: KASAN: out-of-bounds in rcuiswatching Read of size 4 at addr ff110003ee6419a0 by...

CVE-2023-52504

In the Linux kernel, the following vulnerability has been resolved: x86/alternatives: Disable KASAN in applyalternatives Fei has reported that KASAN triggers during applyalternatives on a 5-level paging machine: BUG: KASAN: out-of-bounds in rcuiswatching Read of size 4 at addr ff110003ee6419a0 by...

Design/Logic Flaw

In the Linux kernel, the following vulnerability has been resolved: x86/alternatives: Disable KASAN in applyalternatives Fei has reported that KASAN triggers during applyalternatives on a 5-level paging machine: BUG: KASAN: out-of-bounds in rcuiswatching Read of size 4 at addr ff110003ee6419a0 by...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate from imafreekexecbuffer The code calling imafreekexecbuffer runs long after the memblock allocator has already been torn down, potentially resulting in a use after free in...

CVE-2023-52576

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate from imafreekexecbuffer The code calling imafreekexecbuffer runs long after the memblock allocator has already been torn down, potentially resulting in a use after free in...

CVE-2023-52504

In the Linux kernel, the following vulnerability has been resolved: x86/alternatives: Disable KASAN in applyalternatives Fei has reported that KASAN triggers during applyalternatives on a 5-level paging machine: BUG: KASAN: out-of-bounds in rcuiswatching Read of size 4 at addr ff110003ee6419a0 by...

CVE-2023-52576 x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()

In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblockfreelate from imafreekexecbuffer The code calling imafreekexecbuffer runs long after the memblock allocator has already been torn down, potentially resulting in a use after free in...