DEBIAN-CVE-2022-49340

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

CVE-2022-49326

In the Linux kernel, the following vulnerability has been resolved: rtl818x: Prevent using not initialized queues Using not existing queues can panic the kernel with rtl8180/rtl8185 cards. Ignore the skb priority for those cards, they only have one tx queue. Pierre Asselin [email protected] reported t...

DEBIAN-CVE-2022-49326

In the Linux kernel, the following vulnerability has been resolved: rtl818x: Prevent using not initialized queues Using not existing queues can panic the kernel with rtl8180/rtl8185 cards. Ignore the skb priority for those cards, they only have one tx queue. Pierre Asselin [email protected] reported t...

DEBIAN-CVE-2022-49275

In the Linux kernel, the following vulnerability has been resolved: can: mcan: mcantxhandler: fix use after free of skb canputechoskb will clone skb then free the skb. Move the canputechoskb for the mcan version 3.0.x directly before the start of the xmit in hardware, similar to the 3.1.x branch...

UBUNTU-CVE-2022-49497

In the Linux kernel, the following vulnerability has been resolved: net: remove two BUG from skbchecksumhelp I have a syzbot report that managed to get a crash in skbchecksumhelp If syzbot can trigger these BUG, it makes sense to replace them with more friendly WARNONONCE since skbchecksumhelp ca...

UBUNTU-CVE-2022-49340

In the Linux kernel, the following vulnerability has been resolved: ipgre: test csumstart instead of transport header GRE with TUNNELCSUM will apply local checksum offload on CHECKSUMPARTIAL packets. ipgrexmit must validate csumstart after an optional skbpull, else lcocsum may trigger an overflow...

DEBIAN-CVE-2022-49198

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fix crash due to tcptsortedanchor was initialized before release skb Got crash when doing pressure test of mptcp: =========================================================================== dstrelease: dst:ffffa06ce6e5c058...

CVE-2022-49198

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fix crash due to tcptsortedanchor was initialized before release skb Got crash when doing pressure test of mptcp: =========================================================================== dstrelease: dst:ffffa06ce6e5c058...

CVE-2022-49153

In the Linux kernel, the following vulnerability has been resolved: wireguard: socket: free skb in send6 when ipv6 is disabled I got a memory leak report: unreferenced object 0xffff8881191fc040 size 232: comm "kworker/u17:0", pid 23193, jiffies 4295238848 age 3464.870s hex dump first 32 bytes: 00...

DEBIAN-CVE-2022-49093

In the Linux kernel, the following vulnerability has been resolved: skbuff: fix coalescing for pagepool fragment recycling Fix a use-after-free when using pagepool with page fragments. We encountered this problem during normal RX in the hns3 driver: 1 Initially we have three descriptors in the RX...

CVE-2022-49084

In the Linux kernel, the following vulnerability has been resolved: qede: confirm skb is allocated before using qedebuildskb assumes buildskb always works and goes straight to skbreserve. However, buildskb can fail under memory pressure. This results in a kernel panic because the skb to reserve i...

DEBIAN-CVE-2022-49084

In the Linux kernel, the following vulnerability has been resolved: qede: confirm skb is allocated before using qedebuildskb assumes buildskb always works and goes straight to skbreserve. However, buildskb can fail under memory pressure. This results in a kernel panic because the skb to reserve i...

CVE-2022-49051

In the Linux kernel, the following vulnerability has been resolved: net: usb: aqc111: Fix out-of-bounds accesses in RX fixup aqc111rxfixup contains several out-of-bounds accesses that can be triggered by a malicious or defective USB device, in particular: - The metadata array...

UBUNTU-CVE-2022-49142

In the Linux kernel, the following vulnerability has been resolved: net: preserve skbendoffset in skbunclonekeeptruesize syzbot found another way to trigger the infamous WARNONONCEdelta truesize value, we also need to make sure TCP wont fill new tailroom that pskbexpandhead was able to get from a...

UBUNTU-CVE-2022-49153

In the Linux kernel, the following vulnerability has been resolved: wireguard: socket: free skb in send6 when ipv6 is disabled I got a memory leak report: unreferenced object 0xffff8881191fc040 size 232: comm "kworker/u17:0", pid 23193, jiffies 4295238848 age 3464.870s hex dump first 32 bytes: 00...

CVE-2022-49622 netfilter: nf_tables: avoid skb access on nf_stolen

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: avoid skb access on nfstolen When verdict is NFSTOLEN, the skb might have been freed. When tracing is enabled, this can result in a use-after-free: 1. access to skb-nftrace 2. access to skb-mark 3. computatio...

CVE-2022-49622

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: avoid skb access on nfstolen When verdict is NFSTOLEN, the skb might have been freed. When tracing is enabled, this can result in a use-after-free: 1. access to skb-nftrace 2. access to skb-mark 3. computatio...

CVE-2022-49622 netfilter: nf_tables: avoid skb access on nf_stolen

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: avoid skb access on nfstolen When verdict is NFSTOLEN, the skb might have been freed. When tracing is enabled, this can result in a use-after-free: 1. access to skb-nftrace 2. access to skb-mark 3. computatio...

CVE-2022-49622

CVE-2022-49622 (Linux kernel) describes a use-after-free risk in nf_tables when verdict is NF_STOLEN in netfilter, where skb freeing may have occurred. The fix prevents illegal skb access by: (1) caching skb->nf_trace in the trace state and refreshing it when verdict != STOLEN; (2) skipping sk...

CVE-2022-49561 netfilter: conntrack: re-fetch conntrack after insertion

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb-nfct and set skb-nfct to the already-confirmed entry. This wasn't found before because the conntrack entry and the...