In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on F2FS_INLINE_DATA flag in inode during GC syzbot reports a f2fs bug as below: ------------[ cut here ]------------ kernel BUG at fs/f2fs/inline.c:258! CPU: 1 PID: 34 Comm: kworker/u8:2 Not tainted 6.9.0-rc6-syzkaller-00012-g9e4bc4bcae01 #0 RIP: 0010:f2fs_write_inline_data+0x781/0x790 fs/f2fs/inline.c:258 Call Trace: f2fs_write_single_data_page+0xb65/0x1d60 fs/f2fs/data.c:2834 f2fs_write_cache_pages fs/f2fs/data.c:3133 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3288 [inline] f2fs_write_data_pages+0x1efe/0x3a90 fs/f2fs/data.c:3315 do_writepages+0x35b/0x870 mm/page-writeback.c:2612 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1650 writeback_sb_inodes+0x905/0x1260 fs/fs-writeback.c:1941 wb_writeback+0x457/0xce0 fs/fs-writeback.c:2117 wb_do_writeback fs/fs-writeback.c:2264 [inline] wb_workfn+0x410/0x1090 fs/fs-writeback.c:2304 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The root cause is: inline_data inode can be fuzzed, so that there may be valid blkaddr in its direct node, once f2fs triggers background GC to migrate the block, it will hit f2fs_bug_on() during dirty page writeback. Let's add sanity check on F2FS_INLINE_DATA flag in inode during GC, so that, it can forbid migrating inline_data inode's data block for fixing.

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7121-2 advisory.

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - ARM64 architecture;

    - S390 architecture;

    - x86 architecture;

    - Block layer subsystem;

    - Cryptographic API;

    - ATM drivers;

    - Device frequency scaling framework;

    - GPU drivers;

    - Hardware monitoring drivers;

    - VMware VMCI Driver;

    - Network drivers;

    - Device tree and open firmware driver;

    - SCSI drivers;

    - Greybus lights staging drivers;

    - BTRFS file system;

    - File systems infrastructure;

    - F2FS file system;

    - JFS file system;

    - NILFS2 file system;

    - Netfilter;

    - Memory management;

    - Ethernet bridge;

    - IPv6 networking;

    - IUCV driver;

    - Logical Link layer;

    - MAC80211 subsystem;

    - NFC subsystem;

    - Network traffic control;

    - Unix domain sockets; (CVE-2023-52614, CVE-2024-26633, CVE-2024-46758, CVE-2024-46723, CVE-2023-52502,     CVE-2024-41059, CVE-2024-44987, CVE-2024-36020, CVE-2023-52599, CVE-2023-52639, CVE-2024-26668,     CVE-2024-42094, CVE-2022-48938, CVE-2022-48733, CVE-2024-27397, CVE-2023-52578, CVE-2024-38560,     CVE-2024-38538, CVE-2024-42310, CVE-2024-46722, CVE-2024-46800, CVE-2024-41095, CVE-2024-42104,     CVE-2024-35877, CVE-2022-48943, CVE-2024-46743, CVE-2023-52531, CVE-2024-46757, CVE-2024-36953,     CVE-2024-46756, CVE-2024-38596, CVE-2023-52612, CVE-2024-38637, CVE-2024-41071, CVE-2024-46759,     CVE-2024-43882, CVE-2024-26675, CVE-2024-43854, CVE-2024-44942, CVE-2024-44998, CVE-2024-42240,     CVE-2024-41089, CVE-2024-26636, CVE-2024-46738, CVE-2024-42309)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7121-1 advisory.

    Several security issues were discovered in the Linux kernel. An attacker could possibly use these to     compromise the system. This update corrects flaws in the following subsystems:

    - ARM64 architecture;

    - S390 architecture;

    - x86 architecture;

    - Block layer subsystem;

    - Cryptographic API;

    - ATM drivers;

    - Device frequency scaling framework;

    - GPU drivers;

    - Hardware monitoring drivers;

    - VMware VMCI Driver;

    - Network drivers;

    - Device tree and open firmware driver;

    - SCSI drivers;

    - Greybus lights staging drivers;

    - BTRFS file system;

    - File systems infrastructure;

    - F2FS file system;

    - JFS file system;

    - NILFS2 file system;

    - Netfilter;

    - Memory management;

    - Ethernet bridge;

    - IPv6 networking;

    - IUCV driver;

    - Logical Link layer;

    - MAC80211 subsystem;

    - NFC subsystem;

    - Network traffic control;

    - Unix domain sockets; (CVE-2023-52614, CVE-2024-26633, CVE-2024-46758, CVE-2024-46723, CVE-2023-52502,     CVE-2024-41059, CVE-2024-44987, CVE-2024-36020, CVE-2023-52599, CVE-2023-52639, CVE-2024-26668,     CVE-2024-42094, CVE-2022-48938, CVE-2022-48733, CVE-2024-27397, CVE-2023-52578, CVE-2024-38560,     CVE-2024-38538, CVE-2024-42310, CVE-2024-46722, CVE-2024-46800, CVE-2024-41095, CVE-2024-42104,     CVE-2024-35877, CVE-2022-48943, CVE-2024-46743, CVE-2023-52531, CVE-2024-46757, CVE-2024-36953,     CVE-2024-46756, CVE-2024-38596, CVE-2023-52612, CVE-2024-38637, CVE-2024-41071, CVE-2024-46759,     CVE-2024-43882, CVE-2024-26675, CVE-2024-43854, CVE-2024-44942, CVE-2024-44998, CVE-2024-42240,     CVE-2024-41089, CVE-2024-26636, CVE-2024-46738, CVE-2024-42309)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
211650	Ubuntu 14.04 LTS : Linux kernel (Azure) vulnerabilities (USN-7121-2)	Nessus	Ubuntu Local Security Checks	high
211624	Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7121-1)	Nessus	Ubuntu Local Security Checks	high

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