CVE-2025-21639

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...

DEBIAN-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...

UBUNTU-CVE-2025-21639

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-2025-21642 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 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-2025-21641 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-2025-21639

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-2025-21639 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 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-2025-21638 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-2025-21637

The provided Connected documents confirm CVE-2025-21637 concerns the Linux kernel SCTP sysctl handling of udp_port, where the code path uses current->nsproxy, risking incorrect netns context and potential null dereference. The issue is described as due to accessing net/ns data via the current ...

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-2025-21636 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-2025-21636

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-2025-21635

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-2025-4316

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, specifically in the RDS component. The issue was related to the use of current-nsproxy, which is not recommended due to inconsisten...