ocfs2: handle invalid dinode in ocfs2_group_extend

...

DEBIAN-CVE-2026-31596

In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle invalid dinode in ocfs2groupextend BUG kernel BUG at fs/ocfs2/resize.c:308! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP: 0010:ocfs2groupextend+0x10aa/0x1ae0 fs/ocfs2/resize.c:308 Code: 8b8520ff ffff83f8 860f858...

EUVD-2026-25489

In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle invalid dinode in ocfs2groupextend BUG kernel BUG at fs/ocfs2/resize.c:308! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP: 0010:ocfs2groupextend+0x10aa/0x1ae0 fs/ocfs2/resize.c:308 Code: 8b8520ff ffff83f8 860f858...

CVE-2026-31596

CVE-2026-31596 affects OCFS2 in the Linux kernel. The vulnerability stems from ocfs2_group_extend assuming a validated global bitmap inode block from ocfs2_inode_lock(), and BUG_ON() when the signature isn’t a dinode. A crafted filesystem can bypass structural validation via the JBD2 path, leadin...

CVE-2026-31596

In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle invalid dinode in ocfs2groupextend BUG kernel BUG at fs/ocfs2/resize.c:308! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP: 0010:ocfs2groupextend+0x10aa/0x1ae0 fs/ocfs2/resize.c:308 Code: 8b8520ff ffff83f8 860f858...

CVE-2026-31596 ocfs2: handle invalid dinode in ocfs2_group_extend

In the Linux kernel, the following vulnerability has been resolved: ocfs2: handle invalid dinode in ocfs2groupextend BUG kernel BUG at fs/ocfs2/resize.c:308! Oops: invalid opcode: 0000 1 SMP KASAN NOPTI RIP: 0010:ocfs2groupextend+0x10aa/0x1ae0 fs/ocfs2/resize.c:308 Code: 8b8520ff ffff83f8 860f858...

PT-2026-34948

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the OCFS2 file system where the ocfs2 group extend function assumes that the global bitmap inode block returned from ocfs2 inode lock is already validated. In crafted...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ocfs2 file system’s ocfs2groupextend function. This function assumes that the global bitmap f...