https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 19:43:37 +0000 https://cve.radiocsirt.org/vuln/bell-cve-2026-53130 <p><strong>Affected:</strong> Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> <p><strong>Affected:</strong> Alpaquita:23: linux-lts, Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts</p> https://cve.radiocsirt.org/vuln/bell-cve-2026-53130 https://cve.radiocsirt.org/vuln/certfr-2026-avi-0862 certfr-2026-avi-0862 https://cve.radiocsirt.org/vuln/certfr-2026-avi-0862 https://cve.radiocsirt.org/vuln/euvd-2026-348162 EUVD-2026-348162 https://cve.radiocsirt.org/vuln/euvd-2026-348162 https://cve.radiocsirt.org/vuln/fkie_cve-2026-53130 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START</p> <p>omfs_fill_super() rejects oversized s_sys_blocksize values (&gt; PAGE_SIZE), but it does not reject values smaller than OMFS_DIR_START (0x1b8 = 440).</p> <p>Later, omfs_make_empty() uses</p> <p>sbi-&gt;s_sys_blocksize - OMFS_DIR_START</p> <p>as the length argument to memset(). Since s_sys_blocksize is u32, a crafted filesystem image with s_sys_blocksize &lt; OMFS_DIR_START causes an unsigned underflow there, wrapping to a value near 2^32. That drives a ~4 GiB memset() from bh-&gt;b_data + OMFS_DIR_START and overwrites kernel memory far beyond the backing block buffer.</p> <p>Add the corresponding lower-bound check alongside the existing upper-bound check in omfs_fill_super(), so that malformed images are rejected during superblock validation before any filesystem data is processed.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START</p> <p>omfs_fill_super() rejects oversized s_sys_blocksize values (&gt; PAGE_SIZE), but it does not reject values smaller than OMFS_DIR_START (0x1b8 = 440).</p> <p>Later, omfs_make_empty() uses</p> <p>sbi-&gt;s_sys_blocksize - OMFS_DIR_START</p> <p>as the length argument to memset(). Since s_sys_blocksize is u32, a crafted filesystem image with s_sys_blocksize &lt; OMFS_DIR_START causes an unsigned underflow there, wrapping to a value near 2^32. That drives a ~4 GiB memset() from bh-&gt;b_data + OMFS_DIR_START and overwrites kernel memory far beyond the backing block buffer.</p> <p>Add the corresponding lower-bound check alongside the existing upper-bound check in omfs_fill_super(), so that malformed images are rejected during superblock validation before any filesystem data is processed.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2026-53130 https://cve.radiocsirt.org/vuln/ghsa-2j9j-p8f4-hwp3 <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START</p> <p>omfs_fill_super() rejects oversized s_sys_blocksize values (&gt; PAGE_SIZE), but it does not reject values smaller than OMFS_DIR_START (0x1b8 = 440).</p> <p>Later, omfs_make_empty() uses</p> <p>sbi-&gt;s_sys_blocksize - OMFS_DIR_START</p> <p>as the length argument to memset(). Since s_sys_blocksize is u32, a crafted filesystem image with s_sys_blocksize &lt; OMFS_DIR_START causes an unsigned underflow there, wrapping to a value near 2^32. That drives a ~4 GiB memset() from bh-&gt;b_data + OMFS_DIR_START and overwrites kernel memory far beyond the backing block buffer.</p> <p>Add the corresponding lower-bound check alongside the existing upper-bound check in omfs_fill_super(), so that malformed images are rejected during superblock validation before any filesystem data is processed.</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START</p> <p>omfs_fill_super() rejects oversized s_sys_blocksize values (&gt; PAGE_SIZE), but it does not reject values smaller than OMFS_DIR_START (0x1b8 = 440).</p> <p>Later, omfs_make_empty() uses</p> <p>sbi-&gt;s_sys_blocksize - OMFS_DIR_START</p> <p>as the length argument to memset(). Since s_sys_blocksize is u32, a crafted filesystem image with s_sys_blocksize &lt; OMFS_DIR_START causes an unsigned underflow there, wrapping to a value near 2^32. That drives a ~4 GiB memset() from bh-&gt;b_data + OMFS_DIR_START and overwrites kernel memory far beyond the backing block buffer.</p> <p>Add the corresponding lower-bound check alongside the existing upper-bound check in omfs_fill_super(), so that malformed images are rejected during superblock validation before any filesystem data is processed.</p> https://cve.radiocsirt.org/vuln/ghsa-2j9j-p8f4-hwp3 https://cve.radiocsirt.org/vuln/msrc_cve-2026-53130 msrc_CVE-2026-53130 https://cve.radiocsirt.org/vuln/msrc_cve-2026-53130 https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-53130 <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: linux, Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe and 253 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START omfs_fill_super() rejects oversized s_sys_blocksize values (&gt; PAGE_SIZE), but it does not reject values smaller than OMFS_DIR_START (0x1b8 = 440). Later, omfs_make_empty() uses sbi-&gt;s_sys_blocksize - OMFS_DIR_START as the length argument to memset(). Since s_sys_blocksize is u32, a crafted filesystem image with s_sys_blocksize &lt; OMFS_DIR_START causes an unsigned underflow there, wrapping to a value near 2^32. That drives a ~4 GiB memset() from bh-&gt;b_data + OMFS_DIR_START and overwrites kernel memory far beyond the backing block buffer. Add the corresponding lower-bound check alongside the existing upper-bound check in omfs_fill_super(), so that malformed images are rejected during superblock validation before any filesystem data is processed.</p> <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: linux, Ubuntu:Pro:14.04:LTS: linux-aws, Ubuntu:Pro:14.04:LTS: linux-azure, Ubuntu:Pro:14.04:LTS: linux-lts-xenial, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe and 253 more</p> <p>In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START omfs_fill_super() rejects oversized s_sys_blocksize values (&gt; PAGE_SIZE), but it does not reject values smaller than OMFS_DIR_START (0x1b8 = 440). Later, omfs_make_empty() uses sbi-&gt;s_sys_blocksize - OMFS_DIR_START as the length argument to memset(). Since s_sys_blocksize is u32, a crafted filesystem image with s_sys_blocksize &lt; OMFS_DIR_START causes an unsigned underflow there, wrapping to a value near 2^32. That drives a ~4 GiB memset() from bh-&gt;b_data + OMFS_DIR_START and overwrites kernel memory far beyond the backing block buffer. Add the corresponding lower-bound check alongside the existing upper-bound check in omfs_fill_super(), so that malformed images are rejected during superblock validation before any filesystem data is processed.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2026-53130 https://cve.radiocsirt.org/vuln/wid-sec-w-2026-2077 <p>Ein entfernter Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen und weitere, nicht näher spezifizierte Auswirkungen zu erzielen.</p> <p>Ein entfernter Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen und weitere, nicht näher spezifizierte Auswirkungen zu erzielen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2026-2077