The vulnerability of the tcf_blockbind() function in the net/sched/cls_api.c module of the net/sched subsystem of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tcfblockbind function in the net/sched/clsapi.c module of the net/sched subsystem of the Linux operating system is related to the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, a...

EUVD-2023-60448

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: remove blockcb from driverlist before freeing Error handler of tcfblockbind frees the whole bo-cblist on error. However, by that time the flowblockcb instances are already in the driver list because driver...

CVE-2023-54193 net/sched: cls_api: remove block_cb from driver_list before freeing

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: remove blockcb from driverlist before freeing Error handler of tcfblockbind frees the whole bo-cblist on error. However, by that time the flowblockcb instances are already in the driver list because driver...

CVE-2023-54193

CVE-2023-54193 affects the Linux kernel net/sched cls_api flow: when tcf_block_bind() errors, flow_block_cb objects were still in the driver_list, causing use-after-free. The fix removes flow_block_cb entries from driver_list before deallocation (the patch references show the changes). Affected: ...

CVE-2023-54193

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: remove blockcb from driverlist before freeing Error handler of tcfblockbind frees the whole bo-cblist on error. However, by that time the flowblockcb instances are already in the driver list because driver...

The vulnerability of the tcf_block_get_ext() function in the net/sched/cls_api.c module of the network/sched subsystem of the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the tcfblockgetext function in the net/sched/clsapi.c module of the net/sched subsystem of the Linux operating system is related to operations involving resources after their expiration. Exploiting this vulnerability could allow an attacker to cause a service failure...

kernel: net/sched: cls_api: fix error handling causing NULL dereference

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: fix error handling causing NULL dereference tcfextsmisscookiebasealloc calls xaalloccyclic which can return 1 if the allocation succeeded after wrapping. This was treated as an error, with value 1 returned to...

CVE-2023-53733 net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode

In the Linux kernel, the following vulnerability has been resolved: net: sched: clsu32: Undo tcfbindfilter if u32replacehwknode When u32replacehwknode fails, we need to undo the tcfbindfilter operation done at u32setparms...

MAL-2025-15836 Malicious code in blog-post-prisma-middleware-cls-hooked (npm)

The package blog-post-prisma-middleware-cls-hooked was found to contain malicious code...

CLSA-2025-1751612332 java-1.8.0-openjdk: Fix of 2 CVEs

Upgrade to openjdk-shenandoah-jdk8u-shenandoah-jdk8u452-b09. That fixes following CVE: CVE-2025-21587, CVE-2025-30698...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Fixed error handling that caused NULL dereference. The function tcfextsmisscookiebasealloc calls xaalloccyclic, which may return 1 if the allocation succeeds after wrapping. This was previously treated as an...

CVE-2022-45051

A reflected XSS vulnerability has been found in Axiell Iguana CMS, allowing an attacker to execute code in a victim's browser. The module parameter on the Service.template.cls endpoint does not properly neutralise user input, resulting in the vulnerability...

UBUNTU-CVE-2020-36791

In the Linux kernel, the following vulnerability has been resolved: netsched: keep allochash updated after hash allocation In commit 599be01ee567 "netsched: fix an OOB access in clstcindex" I moved cp-hash calculation before the first tcindexallocperfecthash, but cp-allochash is left untouched...

AZL-58511 CVE-2025-21857 affecting package kernel for versions less than 6.6.82.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: fix error handling causing NULL dereference tcfextsmisscookiebasealloc calls xaalloccyclic which can return 1 if the allocation succeeded after wrapping. This was treated as an error, with value 1 returned to...

CVE-2025-21857 net/sched: cls_api: fix error handling causing NULL dereference

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: fix error handling causing NULL dereference tcfextsmisscookiebasealloc calls xaalloccyclic which can return 1 if the allocation succeeded after wrapping. This was treated as an error, with value 1 returned to...

PT-2025-7345 · WordPress · Raptive Ads

Name of the Vulnerable Software and Affected Versions: Raptive Ads plugin for WordPress versions up to, and including, 3.6.3 Description: The issue is related to a missing capability check on the site ads files reset and cls file reset functions. This allows unauthenticated attackers to reset the...

UBUNTU-CVE-2025-21653

In the Linux kernel, the following vulnerability has been resolved: netsched: clsflow: validate TCAFLOWRSHIFT attribute syzbot found that TCAFLOWRSHIFT attribute was not validated. Right shitfing a 32bit integer is undefined for large shift values. UBSAN: shift-out-of-bounds in...

kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails

A double-free flaw was found in u32setparms in net/sched/clsu32.c in the Network Scheduler component in the Linux kernel. This flaw allows a local attacker to use a failure event to mishandle the reference counter, leading to a local privilege escalation threat...

kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails

A double-free flaw was found in u32setparms in net/sched/clsu32.c in the Network Scheduler component in the Linux kernel. This flaw allows a local attacker to use a failure event to mishandle the reference counter, leading to a local privilege escalation threat...

kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails

A double-free flaw was found in u32setparms in net/sched/clsu32.c in the Network Scheduler component in the Linux kernel. This flaw allows a local attacker to use a failure event to mishandle the reference counter, leading to a local privilege escalation threat...