CVE-2023-52610 net/sched: act_ct: fix skb leak and crash on ooo frags

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix skb leak and crash on ooo frags actct adds skb-users before defragmentation. If frags arrive in order, the last frag's reference is reset in: inetfragreasmprepare skbmorph which is not straightforward. Howev...

PT-2024-14652 · Linux +10 · Linux Kernel +10

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.7.0-rc3 Description: The Linux kernel has a vulnerability in the net/sched module, specifically in the act ct function. This function adds a reference to the skb socket buffer before defragmentation, which can...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel has a security vulnerability that stems from a security flaw in skboverpanic...

kernel: use after free in unix_stream_sendpage

A use-after-free flaw was found in the Linux kernel's afunix component that allows local privilege escalation. The unixstreamsendpage function tries to add data to the last skb in the peer's recv queue without locking the queue. This issue leads to a race condition where the unixstreamsendpage...

PT-2024-21595

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.8.0-rc4+ Description A vulnerability in the Linux kernel has been resolved, related to the handling of pages from page pool in the esp output function. When the skb is reorganized during esp output, the pages...

CVE-2023-52593

In the Linux kernel, the following vulnerability has been resolved: wifi: wfx: fix possible NULL pointer dereference in wfxsetmfpap Since 'ieee80211beaconget' can return NULL, 'wfxsetmfpap' should check the return value before examining skb data. So convert the latter to return an appropriate err...

SUSE CVE-2021-47099

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...

Medium: kernel

Issue Overview: dmtablecreate in drivers/md/dm-table.c in the Linux kernel through 6.7.4 can attempt to in alloctargets allocate more than INTMAX bytes, and crash, because of a missing check for struct dmioctl.targetcount. CVE-2023-52429 In the Linux kernel, the following vulnerability has been...

Medium: kernel

Issue Overview: dmtablecreate in drivers/md/dm-table.c in the Linux kernel through 6.7.4 can attempt to in alloctargets allocate more than INTMAX bytes, and crash, because of a missing check for struct dmioctl.targetcount. CVE-2023-52429 In the Linux kernel, the following vulnerability has been...

The vulnerability of the __skb_flow_dissect() function in the networking component of the Linux operating system allows a attacker to compromise the confidentiality and accessibility of the protected information.

The vulnerability of the skbflowdissect function in the net/core/flowdissector.c file of the Linux kernel’s network component is related to incorrect calculation of the network header offset. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality and...

CVE-2021-47099

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...

Important: kernel

Issue Overview: dmtablecreate in drivers/md/dm-table.c in the Linux kernel through 6.7.4 can attempt to in alloctargets allocate more than INTMAX bytes, and crash, because of a missing check for struct dmioctl.targetcount. CVE-2023-52429 A flaw was found in the smb client in the Linux kernel. A...

UBUNTU-CVE-2021-47099

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-2021-47099

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...

Spoofing

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-2021-47099 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-2021-47099

CVE-2021-47099 targets the Linux kernel veth path where GRO could process shared/cloned skbs when GRO is on, and no XDP program is attached. The fix is to skip the GRO stage for shared or cloned skbs, avoiding potential GRO-related corruption; the patch reverts to netif_receive_skb and introduces...

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-2023-52580

In the Linux kernel, the following vulnerability has been resolved: net/core: Fix ETHP1588 flow dissector When a PTP ethernet raw frame with a size of more than 256 bytes followed by a 0xff pattern is sent to skbflowdissect, nhoff value calculation is wrong. For example: hdr-messagelength takes t...

AZL-55766 CVE-2023-52532 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix TX CQE error handling For an unknown TX CQE error type probably from a newer hardware, still free the SKB, update the queue tail, etc., otherwise the accounting will be wrong. Also, TX errors can be triggered by...