CVE-2025-21670

CVE-2025-21670 affects the Linux kernel’s vsock/bpf path. The issue occurs when vsock_transport is not assigned (NULL) during vsock_bpf_recvmsg for connected sockets (stream/seqpacket), leading to a NULL pointer dereference in vsock_connectible_has_data and an in-kernel oops trace. The vulnerabil...

CVE-2025-21636

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: plpmtudprobeinterval: avoid using current-nsproxy As mentioned in a previous commit of this series, using the 'net' structure via 'current' is not recommended for different reasons: - Inconsistency: getting info fro...

CVE-2025-21640

Summary (CVE-2025-21640) : In the Linux kernel, the sctp: sysctl: cookie_hmac_alg path was fixed to avoid using current->nsproxy. The root cause involved dereferencing current->nsproxy (which can be NULL, e.g., when the task is exiting), leading to an OOPs condition. The patch replaces the ...

PT-2025-6033 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a NULL pointer dereference in the Linux kernel. The yt2 1380 fc serdev probe function calls devm serdev device open before setting the client operations via...

PT-2025-4357 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.73/6.12.10 Description: The issue is related to a null pointer dereference in the page pool dev alloc pages function of the Linux kernel's drivers/net/ethernet/freescale/fec main.c module. This can occur whe...

PT-2025-3578 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue arises from the potential invocation of rk hdptx phy runtime resume before platform set drvdata is executed in the -probe function, leading to a NULL pointer dereference when...

CVE-2024-56620

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: qcom: Only free platform MSIs when ESI is enabled Otherwise, it will result in a NULL pointer dereference as below: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 Call trace:...

CVE-2024-53230

In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix possible null-ptr-deref for cppcgetcpucost cpufreqcpugetraw may return NULL if the cpu is not in policy-cpus cpu mask and it will cause null pointer dereference, so check NULL for cppcgetcpucost...

CVE-2024-53201

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null check for pipectx-planestate in dcn20programpipe This commit addresses a null pointer dereference issue in dcn20programpipe. Previously, commit 8e4ed3cf1642 "drm/amd/display: Add null check for...

CVE-2024-56711

In the Linux kernel, the following vulnerability has been resolved: drm/panel: himax-hx83102: Add a check to prevent NULL pointer dereference drmmodeduplicate could return NULL due to lack of memory, which will then call NULL pointer dereference. Add a check to prevent it...

CVE-2024-56621 scsi: ufs: core: Cancel RTC work during ufshcd_remove()

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Cancel RTC work during ufshcdremove Currently, RTC work is only cancelled during ufshcdwlsuspend. When ufshcd is removed in ufshcdremove, RTC work is not cancelled. Due to this, any further trigger of the RTC wor...

CVE-2024-53231

In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix possible null-ptr-deref for cpufreqcpugetraw cpufreqcpugetraw may return NULL if the cpu is not in policy-cpus cpu mask and it will cause null pointer dereference...

CVE-2024-53226 RDMA/hns: Fix NULL pointer derefernce in hns_roce_map_mr_sg()

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix NULL pointer derefernce in hnsrocemapmrsg ibmapmrsg allows ULPs to specify NULL as the sgoffset argument. The driver needs to check whether it is a NULL pointer before dereferencing it...

CVE-2024-53113 mm: fix NULL pointer dereference in alloc_pages_bulk_noprof

In the Linux kernel, the following vulnerability has been resolved: mm: fix NULL pointer dereference in allocpagesbulknoprof We triggered a NULL pointer dereference for ac.preferredzoneref-zone in allocpagesbulknoprof when the task is migrated between cpusets. When cpuset is enabled, in...

Unspecified vulnerability in Linux kernel (CNVD-2024-39298)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a security vulnerability that stems from a null pointer dereference. No details of the vulnerability are provided at this time...

Linux kernel code issue vulnerability (CNVD-2024-39294)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a security vulnerability that stems from a null pointer dereference. No details of the vulnerability are provided at this time...

Linux kernel null pointer dereference vulnerability (CNVD-2024-36739)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a null pointer dereference vulnerability that originates from a null pointer dereference. An attacker can exploit this vulnerability to conduct furthe...

CVE-2024-42079

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix NULL pointer dereference in gfs2logflush In gfs2jindexfree, set sdp-sdjdesc to NULL under the log flush lock to provide exclusion against gfs2logflush. In gfs2logflush, check if sdp-sdjdesc is non-NULL before...

PT-2025-25903 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the fixed version Description: A NULL pointer dereference issue has been identified in the Linux kernel, specifically in the ftrace functionality. This issue arises when ftrace startup enable fails, causing the...

CVE-2021-47149

In the Linux kernel, the following vulnerability has been resolved: net: fujitsu: fix potential null-ptr-deref In fmvj18xgethwinfo, if ioremap fails there will be NULL pointer deref. To fix this, check the return value of ioremap and return -1 to the caller in case of failure...