UBUNTU-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...

UBUNTU-CVE-2024-50035

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...

UBUNTU-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...

CVE-2022-49026 e100: Fix possible use after free in e100_xmit_prepare

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...

CVE-2022-49017 tipc: re-fetch skb cb after tipc_msg_validate

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-2022-49017

CVE-2022-49017 (Linux kernel) : A use-after-free in Tipc processing was mitigated by re-fetching the skb control block from the newly allocated skb after tipc_msg_validate(), preventing dereferencing a freed skb. The issue manifested as a KASAN use-after-free in tipc_crypto_rcv_complete and relat...

CVE-2022-49008 can: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down

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...

CVE-2022-49008 can: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down

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...

CVE-2022-49008

The CVE-2022-49008 issue affects the Linux kernel, specifically the can327 path: can327_feed_frame_to_netdev() failed to free the skb when the netdev is down, and all callers did not free allocated skbs, causing a potential skb leak. The patch adds kfree_skb() in can327_feed_frame_to_netdev() whe...

CVE-2022-49008 can: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down

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...

CVE-2022-48958

The CVE-2022-48958 issue is in the Linux kernel ethernet aeroflex driver (greth_init_rings). The root cause is a skb leak when dma_mapping_error() occurs, where the newly allocated skb was not freed. A fix adds dev_kfree_skb() to ensure proper cleanup. The vulnerability is addressed by kernel pat...

CVE-2022-48958 ethernet: aeroflex: fix potential skb leak in greth_init_rings()

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...

CVE-2024-50045 netfilter: br_netfilter: fix panic with metadata_dst skb

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix panic with metadatadst skb Fix a kernel panic in the brnetfilter module when sending untagged traffic via a VxLAN device. This happens during the check for fragmentation in brnfdevqueuexmit. It is...

CVE-2024-50045 netfilter: br_netfilter: fix panic with metadata_dst skb

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix panic with metadatadst skb Fix a kernel panic in the brnetfilter module when sending untagged traffic via a VxLAN device. This happens during the check for fragmentation in brnfdevqueuexmit. It is...

DEBIAN-CVE-2024-49997

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: lantiqetop: fix memory disclosure When applying padding, the buffer is not zeroed, which results in memory disclosure. The mentioned data is observed on the wire. This patch uses skbputpadto to pad Ethernet frames...

DEBIAN-CVE-2024-49982

In the Linux kernel, the following vulnerability has been resolved: aoe: fix the potential use-after-free problem in more places For fixing CVE-2023-6270, f98364e92662 "aoe: fix the potential use-after-free problem in aoecmdcfgpkts" makes tx calling devput instead of doing in aoecmdcfgpkts. It...

DEBIAN-CVE-2024-49979

In the Linux kernel, the following vulnerability has been resolved: net: gso: fix tcp fraglist segmentation after pull from fraglist Detect tcp gso fraglist skbs with corrupted geometry see below and pass these to skbsegment instead of skbsegmentlist, as the first can segment them correctly. Vali...

CVE-2024-49979

In the Linux kernel, the following vulnerability has been resolved: net: gso: fix tcp fraglist segmentation after pull from fraglist Detect tcp gso fraglist skbs with corrupted geometry see below and pass these to skbsegment instead of skbsegmentlist, as the first can segment them correctly. Vali...

DEBIAN-CVE-2024-49948

In the Linux kernel, the following vulnerability has been resolved: net: add more sanity checks to qdiscpktleninit One path takes care of SKBGSODODGY, assuming skb-len is bigger than hdrlen. virtionethdrtoskb does not fully dissect TCP headers, it only make sure it is at least 20 bytes. It is...

DEBIAN-CVE-2024-49952

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prevent nfskbduplicated corruption syzbot found that nfdupipv4 or nfdupipv6 could write per-cpu variable nfskbduplicated in an unsafe way 1. Disabling preemption as hinted by the splat is not enough, we have ...