CVE-2025-21640

Summary of CVE-2025-21640 (Linux kernel SCTP): The vulnerability is in the Linux kernel SCTP sysctl handling for cookie_hmac_alg, linked to using current->nsproxy. The description notes that current->nsproxy can be NULL (e.g., when the current task is exiting), which can lead to an Oops (nu...

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

CVE-2025-21638 affects the Linux kernel SCTP sysctl: auth_enable. Root cause: using current->nsproxy can be NULL or inconsistently reflect netns, causing potential issues; remediation fixes rely on obtaining net from table->data via container_of() rather than current. Affected advisories in...

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-2025-21639 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

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-2025-21638 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

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 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 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 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...

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...

SUSE CVE-2024-53215

In the Linux kernel, the following vulnerability has been resolved: svcrdma: fix miss destroy percpucounter in svcrdmaprocinit There's issue as follows: RPC: Registered rdma transport module. RPC: Registered rdma backchannel transport module. RPC: Unregistered rdma transport module. RPC:...

DEBIAN-CVE-2024-53215

In the Linux kernel, the following vulnerability has been resolved: svcrdma: fix miss destroy percpucounter in svcrdmaprocinit There's issue as follows: RPC: Registered rdma transport module. RPC: Registered rdma backchannel transport module. RPC: Unregistered rdma transport module. RPC:...

AZL-56346 CVE-2024-53215 affecting package kernel for versions less than 5.15.176.3-1

In the Linux kernel, the following vulnerability has been resolved: svcrdma: fix miss destroy percpucounter in svcrdmaprocinit There's issue as follows: RPC: Registered rdma transport module. RPC: Registered rdma backchannel transport module. RPC: Unregistered rdma transport module. RPC:...

UBUNTU-CVE-2024-53215

In the Linux kernel, the following vulnerability has been resolved: svcrdma: fix miss destroy percpucounter in svcrdmaprocinit There's issue as follows: RPC: Registered rdma transport module. RPC: Registered rdma backchannel transport module. RPC: Unregistered rdma transport module. RPC:...

CVE-2024-53215 svcrdma: fix miss destroy percpu_counter in svc_rdma_proc_init()

In the Linux kernel, the following vulnerability has been resolved: svcrdma: fix miss destroy percpucounter in svcrdmaprocinit There's issue as follows: RPC: Registered rdma transport module. RPC: Registered rdma backchannel transport module. RPC: Unregistered rdma transport module. RPC:...