CVSS
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: mtd: block2mtd: Fix divide error when erase_size is zero The erase size is parsed from the "block2mtd" module parameter and can be set to zero. add_device() then evaluates if (size % erase_size) with a zero divisor, which triggers a divide error: divide error: 0000 [#1] PREEMPT SMP PTI RIP: 0010:add_device drivers/mtd/devices/block2mtd.c:296 [inline] RIP: 0010:block2mtd_setup2+0x592/0xda0 drivers/mtd/devices/block2mtd.c:459 Call Trace: block2mtd_setup+0x27/0xe0 drivers/mtd/devices/block2mtd.c:476 param_attr_store+0x214/0x310 kernel/params.c:589 module_attr_store+0x65/0x90 kernel/params.c:904 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 ... Reject a zero erase size before performing the modulo operation so the existing "erasesize must be a divisor of device size" error path reports the invalid argument and frees the device.
Засегнати продукти
- Linux Linux: ea6d833a3fddcd1d60414d48f34c7f4fbe88608f преди c8004de07739fa9a39e310e859384f1458d7d076; ea6d833a3fddcd1d60414d48f34c7f4fbe88608f преди 7ad5287e58d7aa1a848105f119e6c5b00446882f; ea6d833a3fddcd1d60414d48f34c7f4fbe88608f преди fd73c079abc58e10183a4db4dc9dc5012db17476; ea6d833a3fddcd1d60414d48f34c7f4fbe88608f преди bff83b723e93acc788bd690dc4bc1f6f4356c35b; ea6d833a3fddcd1d60414d48f34c7f4fbe88608f преди 826170a49ca1315af6b293a02200585b1e2186d9; ea6d833a3fddcd1d60414d48f34c7f4fbe88608f преди a991c28066e7ba4da7450bb04478849f7ac6a14a; ea6d833a3fddcd1d60414d48f34c7f4fbe88608f преди 21d0f05989bf0d5cef57b467a7fa4feefbd7236a; ea6d833a3fddcd1d60414d48f34c7f4fbe88608f преди b5965c4221165045e19736794ca5f48ae3d67142
- Linux Linux: 3.15; преди 3.15; 5.10.273 до 5.10.*; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.113 до 6.12.*; 6.18.56 до 6.18.*; 7.2.10 до 7.2.*; от 7.3 нататък
История
- 18 октомври 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-98722
- https://nvd.nist.gov/vuln/detail/CVE-2026-98722
- https://git.kernel.org/stable/c/c8004de07739fa9a39e310e859384f1458d7d076
- https://git.kernel.org/stable/c/7ad5287e58d7aa1a848105f119e6c5b00446882f
- https://git.kernel.org/stable/c/fd73c079abc58e10183a4db4dc9dc5012db17476
- https://git.kernel.org/stable/c/bff83b723e93acc788bd690dc4bc1f6f4356c35b
- https://git.kernel.org/stable/c/826170a49ca1315af6b293a02200585b1e2186d9
- https://git.kernel.org/stable/c/a991c28066e7ba4da7450bb04478849f7ac6a14a
- https://git.kernel.org/stable/c/21d0f05989bf0d5cef57b467a7fa4feefbd7236a
- https://git.kernel.org/stable/c/b5965c4221165045e19736794ca5f48ae3d67142