PT-2023-34403 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.163 Description: The issue is related to the handling of network packets, specifically the association of a socket buffer skb with a device during transmission tx. The actual impact and potential for attac...

Ubuntu 22.10 : Linux kernel (IBM) vulnerabilities (USN-5793-4)

The remote Ubuntu 22.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5793-4 advisory. It was discovered that the iouring subsystem in the Linux kernel did not properly perform reference counting in some situations, leading to a use- after-free...

PT-2025-37544

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue in the ath12k driver related to management transmit cleanup. A missing reference to 'ar' in skb cb can lead to a NULL pointer dereference during...

PT-2025-53950

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the wilc mac xmit function within the wilc1000 driver. The function returns NETDEV TX OK without freeing the socket buffer skb, leading to a potential memory leak...

Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock could occur in case of netpoll being active for the interface the xen-netback driver is connected to (CVE-2022-42329).

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PT-2022-36489 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.19.267 Description: The issue is related to an alignment problem in the bpf prog test run skb function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

PT-2022-36552 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.14.300 Description: The issue is related to an alignment problem in the bpf prog test run skb function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

DEBIAN-CVE-2022-42329

Guests can trigger deadlock in Linux netback driver This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packe...

PT-2022-7680 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a potential use-after-free in the ravb rx gbeth function. This occurs because the skb is delivered to napi gro receive, which may free it. After this call,...

PT-2022-7686 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a potential use-after-free in the Linux kernel's hsr module. This occurs when the skb is delivered to netif rx, which may free it, and subsequent dereferencing ...

kernel: igb: fix a use-after-free issue in igb_clean_tx_ring

A vulnerability was found in the Linux kernel in the Intel igb driver function igbcleantxring when running in XDP mode. A use-after-free issue can arise from attempting to free skb memory using devkfreeskbany. This issue potentially leads to system instability and memory corruption...

kernel: skbuff: fix coalescing for page_pool fragment recycling

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...

kernel: 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...

PT-2022-35451 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.152 Description: The issue is related to a possible NULL dereference in the skb clone function. This problem was introduced in version v3.17 and is fixed in Linux Kernel version v5.10.152. The actual impac...

PT-2022-35023 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: A potential memory leak issue has been identified. The issue is related to the wifi driver rtw89 and the handling of unused skb. The actual impact and attack plausibility have not yet been...

kernel: veth: Ensure eth header is in skb's linear part

In the Linux kernel, the following vulnerability has been resolved: veth: Ensure eth header is in skb's linear part After feeding a decapsulated packet to a veth device with actmirred, skbheadlen may be 0. But vethxmit calls devforwardskb, which expects at least ETHHLEN byte of linear data as...

CVE-2022-3636

A vulnerability, which was classified as critical, was found in Linux Kernel. This affects the function mtkppecheckskb of the file drivers/net/ethernet/mediatek/mtkppe.c of the component Ethernet Handler. The manipulation leads to use after free. It is recommended to apply a patch to fix this...

DEBIAN-CVE-2022-3586

A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the schsfb enqueue function used the socket buffer SKB cb field after the same SKB had been enqueued and freed into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing...

UBUNTU-CVE-2022-3586

A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the schsfb enqueue function used the socket buffer SKB cb field after the same SKB had been enqueued and freed into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing...

CVE-2022-3586

A flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the schsfb enqueue function used the socket buffer SKB cb field after the same SKB had been enqueued and freed into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing...