CVE-2025-21642 mptcp: sysctl: sched: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: mptcp: sysctl: sched: avoid using current-nsproxy Using the 'net' structure via 'current' is not recommended for different reasons. First, if the goal is to use it to read or write per-netns data, this is inconsistent with how th...

CVE-2025-21642

In the Linux kernel, the following vulnerability has been resolved: mptcp: sysctl: sched: avoid using current-nsproxy Using the 'net' structure via 'current' is not recommended for different reasons. First, if the goal is to use it to read or write per-netns data, this is inconsistent with how th...

CVE-2025-21642 mptcp: sysctl: sched: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: mptcp: sysctl: sched: avoid using current-nsproxy Using the 'net' structure via 'current' is not recommended for different reasons. First, if the goal is to use it to read or write per-netns data, this is inconsistent with how th...

CVE-2025-21641 mptcp: sysctl: blackhole timeout: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: mptcp: sysctl: blackhole timeout: avoid using current-nsproxy As mentioned in the previous commit, using the 'net' structure via 'current' is not recommended for different reasons: - Inconsistency: getting info from the...

CVE-2025-21641 mptcp: sysctl: blackhole timeout: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: mptcp: sysctl: blackhole timeout: avoid using current-nsproxy As mentioned in the previous commit, using the 'net' structure via 'current' is not recommended for different reasons: - Inconsistency: getting info from the...

CVE-2025-21640 sctp: sysctl: cookie_hmac_alg: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: cookiehmacalg: 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 from the...

CVE-2025-21638 sctp: sysctl: auth_enable: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: authenable: 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 from the...

CVE-2025-21639 sctp: sysctl: rto_min/max: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: rtomin/max: 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 from the...

CVE-2025-21639

The CVE-2025-21639 issue is in the Linux kernel SCTP sysctl handling (rto_min/rto_max) where current->nsproxy was used to read netns, risking a NULL pointer dereference and Oops when the task is exiting. The fix, as described in the initial document, replaces current->nsproxy usage with ret...

CVE-2025-21638 sctp: sysctl: auth_enable: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: authenable: 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 from the...

CVE-2025-21639 sctp: sysctl: rto_min/max: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: rtomin/max: 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 from the...

CVE-2025-21637 sctp: sysctl: udp_port: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: udpport: 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 from the...

CVE-2025-21637

CVE-2025-21637 affects the Linux kernel SCTP sysctl path for udp_port. The issue arises from using current->nsproxy via the net structure, risking NULL nsproxy (e.g., when the current task is exiting) and potentially triggering a fault. The fix described in the sources relies on obtaining net ...

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-2025-21636 sctp: sysctl: plpmtud_probe_interval: avoid using current->nsproxy

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-2025-21635

CVE-2025-21635 — Linux kernel (RDS): The vulnerability arises from using current->nsproxy in rds_tcp_rcvbuf/rds_tcp_sndbuf sysctl handling, which can cause a NULL pointer dereference when the current task is exiting and the netns proxy is NULL. The fix switches to obtaining the per-netns conte...

CVE-2025-21635 rds: sysctl: rds_tcp_{rcv,snd}buf: avoid using current->nsproxy

In the Linux kernel, the following vulnerability has been resolved: rds: sysctl: rdstcprcv,sndbuf: 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 from the...

PT-2025-4322 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue concerns the Linux kernel, specifically the mptcp subsystem and its handling of the blackhole timeout via sysctl. The problem arises from using the net structure via current,...

`root` appended to group listings

Affected versions append root to group listings, unless the correct listing has exactly 1024 groups. This affects both: - The supplementary groups of a user - The group access list of the current process If the caller uses this information for access control, this may lead to privilege escalation...

Adobe Substance 3D Stager 安全漏洞

Adobe Substance 3D Stager is a virtual 3D studio from the American company Audobee Adobe. Adobe Substance 3D Stager suffers from a stack buffer overflow vulnerability that can be exploited by an attacker to execute arbitrary code in the context of the current user...