CVE-2024-26981 nilfs2: fix OOB in nilfs_set_de_type

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix OOB in nilfssetdetype The size of the nilfstypebymode array in the fs/nilfs2/dir.c file is defined as "SIFMT SSHIFT", but the nilfssetdetype function, which uses this array, specifies the index to read from the array ...

CVE-2024-26981 nilfs2: fix OOB in nilfs_set_de_type

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix OOB in nilfssetdetype The size of the nilfstypebymode array in the fs/nilfs2/dir.c file is defined as "SIFMT SSHIFT", but the nilfssetdetype function, which uses this array, specifies the index to read from the array ...

CVE-2024-26956 nilfs2: fix failure to detect DAT corruption in btree and direct mappings

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix failure to detect DAT corruption in btree and direct mappings Patch series "nilfs2: fix kernel bug at submitbhwbc". This resolves a kernel BUG reported by syzbot. Since there are two flaws involved, I've made each one...

CVE-2024-26956 nilfs2: fix failure to detect DAT corruption in btree and direct mappings

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix failure to detect DAT corruption in btree and direct mappings Patch series "nilfs2: fix kernel bug at submitbhwbc". This resolves a kernel BUG reported by syzbot. Since there are two flaws involved, I've made each one...

CVE-2024-26956 nilfs2: fix failure to detect DAT corruption in btree and direct mappings

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix failure to detect DAT corruption in btree and direct mappings Patch series "nilfs2: fix kernel bug at submitbhwbc". This resolves a kernel BUG reported by syzbot. Since there are two flaws involved, I've made each one...

CVE-2024-26956

CVE-2024-26956 covers a kernel vulnerability in nilfs2 within the Linux kernel. The issue has two flaws: (1) nilfs_get_block() may misinterpret a DAT-corrupted data block as existing, due to DAT translation returning -ENOENT; and (2) after this inconsistency, the caller may request a read on an u...

CVE-2024-26956

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix failure to detect DAT corruption in btree and direct mappings Patch series "nilfs2: fix kernel bug at submitbhwbc". This resolves a kernel BUG reported by syzbot. Since there are two flaws involved, I've made each one...

CVE-2024-26955 nilfs2: prevent kernel bug at submit_bh_wbc()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent kernel bug at submitbhwbc Fix a bug where nilfsgetblock returns a successful status when searching and inserting the specified block both fail inconsistently. If this inconsistent behavior is not due to a previous...

CVE-2024-26955 nilfs2: prevent kernel bug at submit_bh_wbc()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent kernel bug at submitbhwbc Fix a bug where nilfsgetblock returns a successful status when searching and inserting the specified block both fail inconsistently. If this inconsistent behavior is not due to a previous...

CVE-2024-26955 nilfs2: prevent kernel bug at submit_bh_wbc()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent kernel bug at submitbhwbc Fix a bug where nilfsgetblock returns a successful status when searching and inserting the specified block both fail inconsistently. If this inconsistent behavior is not due to a previous...

CVE-2024-26955

CVE-2024-26955 is a Linux kernel vulnerability in nilfs2. The issue arises when nilfs_get_block() can return success in a state where both searching and inserting a block fail due to a race, potentially leading to a read of an unmapped buffer and triggering a BUG_ON in submit_bh_wbc() via BH_Mapp...

CVE-2024-26955

In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent kernel bug at submitbhwbc Fix a bug where nilfsgetblock returns a successful status when searching and inserting the specified block both fail inconsistently. If this inconsistent behavior is not due to a previous...

CVE-2024-26956: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix failure to detect DAT corruption in btree and direct mappings Patch series "nilfs2: fix kernel bug at submitbhwbc". This resolves a kernel BUG reported by syzbot. Since there are two flaws involved, I've made each one...

CVE-2024-26955: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent kernel bug at submitbhwbc Fix a bug where nilfsgetblock returns a successful status when searching and inserting the specified block both fail inconsistently. If this inconsistent behavior is not due to a previous...

CVE-2024-26981: Improper Validation of Array Index

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix OOB in nilfssetdetype The size of the nilfstypebymode array in the fs/nilfs2/dir.c file is defined as "SIFMT SSHIFT", but the nilfssetdetype function, which uses this array, specifies the index to read from the array ...

SUSE CVE-2024-26696

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix hang in nilfslookupdirtydatabuffers Syzbot reported a hang issue in migratepagesbatch called by mbind and nilfslookupdirtydatabuffers called in the log writer of nilfs2. While migratepagesbatch locks a folio and waits...

SUSE CVE-2024-26697

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix data corruption in dsync block recovery for small block sizes The helper function nilfsrecoverycopyblock of nilfsrecoverydsyncblocks, which recovers data from logs created by data sync writes during a mount after an...

SUSE CVE-2024-26685

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential bug in endbufferasyncwrite According to a syzbot report, endbufferasyncwrite, which handles the completion of block device writes, may detect abnormal condition of the buffer asyncwrite flag and cause a BUGO...

CVE-2024-26696

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix hang in nilfslookupdirtydatabuffers Syzbot reported a hang issue in migratepagesbatch called by mbind and nilfslookupdirtydatabuffers called in the log writer of nilfs2. While migratepagesbatch locks a folio and waits...

CVE-2024-26697

A flaw was found in the Linux kernel, which affects the NILFS2 file system. This issue involves data corruption during dsync block recovery operations when using small block sizes, possibly leading to unexpected data loss or corruption. Mitigation Mitigation for this issue is either not available...