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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: ocfs2: add journal NULL check in ocfs2_checkpoint_inode() During unmount, ocfs2_journal_shutdown() frees the journal and sets osb->journal to NULL. Later, when VFS evicts remaining cached inodes, ocfs2_evict_inode() -> ocfs2_clear_inode() -> ocfs2_checkpoint_inode() -> ocfs2_ci_fully_checkpointed() dereferences osb->journal, causing a NULL pointer dereference. Fix this by adding a NULL check for osb->journal in ocfs2_checkpoint_inode(). If the journal is NULL, it has already been fully flushed and destroyed during shutdown, so there is nothing to checkpoint.
Засегнати продукти
- Linux Linux: da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 преди 24daf13422e8328fd588c34a017bdef1949910e8; da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 преди 7da7e4ac21895fe34cceffcfc99497cc2750da99; da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 преди eb6a13834c23e291f1170cb1b489ec255edfa5a3; da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 преди 499714de42ab4d2e778cbb10186684142a1222eb; da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 преди 63921f790234b221e4b15c56c72888b13250f81d; da5e7c87827e8caa6a1eeec6d95dcf74ab592a01 преди a291c77c034b7a81849ce9b71cc9ecda9e587d89
- Linux Linux: 5.16; преди 5.16; 6.1.178 до 6.1.*; 6.6.145 до 6.6.*; 6.12.97 до 6.12.*; 6.18.40 до 6.18.*; 7.1.5 до 7.1.*; 7.2 до *
История
- 15 август 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-72161
- https://nvd.nist.gov/vuln/detail/CVE-2026-72161
- https://git.kernel.org/stable/c/24daf13422e8328fd588c34a017bdef1949910e8
- https://git.kernel.org/stable/c/7da7e4ac21895fe34cceffcfc99497cc2750da99
- https://git.kernel.org/stable/c/eb6a13834c23e291f1170cb1b489ec255edfa5a3
- https://git.kernel.org/stable/c/499714de42ab4d2e778cbb10186684142a1222eb
- https://git.kernel.org/stable/c/63921f790234b221e4b15c56c72888b13250f81d
- https://git.kernel.org/stable/c/a291c77c034b7a81849ce9b71cc9ecda9e587d89