https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Tue, 29 Sep 2026 06:19:49 +0000 https://vulnerability.circl.lu/vuln/cve-2026-89552 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>params: fix charp corruption on allocation failure</p> <p>param_set_charp() stores charp parameters in allocated memory after slab is available, and releases the previous value when the parameter is updated.</p> <p>The previous value is released before the replacement allocation succeeds. If kmalloc_parameter() fails, the setter returns -ENOMEM with the parameter left as NULL.</p> <p>Failing zswap&#39;s compressor update before zswap is initialized can later trigger:</p> <p>BUG: kernel NULL pointer dereference, address: 0000000000000000 RIP: 0010:strcmp+0x10/0x30 Call Trace: zswap_setup+0x3b1/0x490 zswap_enabled_param_set+0x5b/0xa0 param_attr_store+0x93/0xe0 module_attr_store+0x1c/0x30 kernfs_fop_write_iter+0x116/0x1f0</p> <p>Allocate and copy the replacement first, then replace the parameter value only after allocation succeeds.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>params: fix charp corruption on allocation failure</p> <p>param_set_charp() stores charp parameters in allocated memory after slab is available, and releases the previous value when the parameter is updated.</p> <p>The previous value is released before the replacement allocation succeeds. If kmalloc_parameter() fails, the setter returns -ENOMEM with the parameter left as NULL.</p> <p>Failing zswap&#39;s compressor update before zswap is initialized can later trigger:</p> <p>BUG: kernel NULL pointer dereference, address: 0000000000000000 RIP: 0010:strcmp+0x10/0x30 Call Trace: zswap_setup+0x3b1/0x490 zswap_enabled_param_set+0x5b/0xa0 param_attr_store+0x93/0xe0 module_attr_store+0x1c/0x30 kernfs_fop_write_iter+0x116/0x1f0</p> <p>Allocate and copy the replacement first, then replace the parameter value only after allocation succeeds.</p> https://vulnerability.circl.lu/vuln/cve-2026-89552