CVE-2023-52504

A flaw was found in the Linux kernel, related to the Kernel Address Sanitizer KASAN, specifically on systems with 5-level paging. The issue occurs when KASAN triggers an out-of-bounds access in the rcuiswatching function, and could lead to memory corruption or crashes. Mitigation Mitigation for...

CVE-2021-47106 netfilter: nf_tables: fix use-after-free in nft_set_catchall_destroy()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftsetcatchalldestroy We need to use listforeachentrysafe iterator because we can not access @catchall after kfreercu call. syzbot reported: BUG: KASAN: use-after-free in...

CVE-2021-47106 netfilter: nf_tables: fix use-after-free in nft_set_catchall_destroy()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftsetcatchalldestroy We need to use listforeachentrysafe iterator because we can not access @catchall after kfreercu call. syzbot reported: BUG: KASAN: use-after-free in...

DEBIAN-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-2021-47102

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-2021-47082

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-2021-47082

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-2021-47082

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...

Spoofing

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...

UBUNTU-CVE-2021-47097

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-2021-47103

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

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-2021-47103 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...