CVE-2024-53112: Linux kernel · ocfs2: uncache inode which has failed entering the group
Affects Linux kernelSource GCVE Database
Not known to be exploited · CVSS 5.5 Medium · fixed in 4.4.0-1150.156 : update Linux kernel when convenient.
Data as of 28 Oct 2026, 11:13 UTC
- Patch
- Available – fixed in 4.4.0-1150.156, 4.15.0-1195.210~14.04.1, 4.4.0-276.310~14.04.1 +104
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 2 Dec 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Patches and advisories
- ubuntu.com/security/notices/USN-7276-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7277-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7310-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7388-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7389-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7390-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7391-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7392-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7393-1 (opens in a new tab)
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 24.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azure-6.11pkg:deb/ubuntu/linux-azure-6.11?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-azure-nvidiapkg:deb/ubuntu/linux-azure-nvidia?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: uncache inode which has failed entering the group Syzbot has reported the following BUG: kernel BUG at fs/ocfs2/uptodate.c:509! ... Call Trace: <TASK> ? __die_body+0x5f/0xb0 ? die+0x9e/0xc0 ? do_trap+0x15a/0x3a0 ? ocfs2_set_new_buffer_uptodate+0x145/0x160 ? do_error_trap+0x1dc/0x2c0 ? ocfs2_set_new_buffer_uptodate+0x145/0x160 ? __pfx_do_error_trap+0x10/0x10 ? handle_invalid_op+0x34/0x40 ? ocfs2_set_new_buffer_uptodate+0x145/0x160 ? exc_invalid_op+0x38/0x50 ? asm_exc_invalid_op+0x1a/0x20 ? ocfs2_set_new_buffer_uptodate+0x2e/0x160 ? ocfs2_set_new_buffer_uptodate+0x144/0x160 ? ocfs2_set_new_buffer_uptodate+0x145/0x160 ocfs2_group_add+0x39f/0x15a0 ? __pfx_ocfs2_group_add+0x10/0x10 ? __pfx_lock_acquire+0x10/0x10 ? mnt_get_write_access+0x68/0x2b0 ? __pfx_lock_release+0x10/0x10 ? rcu_read_lock_any_held+0xb7/0x160 ? __pfx_rcu_read_lock_any_held+0x10/0x10 ? smack_log+0x123/0x540 ? mnt_get_write_access+0x68/0x2b0 ? mnt_get_write_access+0x68/0x2b0 ? mnt_get_write_access+0x226/0x2b0 ocfs2_ioctl+0x65e/0x7d0 ? __pfx_ocfs2_ioctl+0x10/0x10 ? smack_file_ioctl+0x29e/0x3a0 ? __pfx_smack_file_ioctl+0x10/0x10 ? lockdep_hardirqs_on_prepare+0x43d/0x780 ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 ? __pfx_ocfs2_ioctl+0x10/0x10 __se_sys_ioctl+0xfb/0x170 do_syscall_64+0xf3/0x230 entry_SYSCALL_64_after_hwframe+0x77/0x7f ... </TASK> When 'ioctl(OCFS2_IOC_GROUP_ADD, ...)' has failed for the particular inode in 'ocfs2_verify_group_and_input()', corresponding buffer head remains cached and subsequent call to the same 'ioctl()' for the same inode issues the BUG() in 'ocfs2_set_new_buffer_uptodate()' (trying to cache the same buffer head of that inode). Fix this by uncaching the buffer head with 'ocfs2_remove_from_cache()' on error path in 'ocfs2_group_add()'.
References
- ubuntu.com/security/CVE-2024-53112 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2024-53112 (opens in a new tab)
- git.kernel.org/linus/737f34137844d6572ab7d473c998c7f977ff30eb (opens in a new tab)
- git.kernel.org/stable/c/620d22598110b0d0cb97a3fcca65fc473ea86e73 (opens in a new tab)
- git.kernel.org/stable/c/737f34137844d6572ab7d473c998c7f977ff30eb (opens in a new tab)
- git.kernel.org/stable/c/843dfc804af4b338ead42331dd58081b428ecdf8 (opens in a new tab)
- git.kernel.org/stable/c/b751c50e19d66cfb7360c0b55cf17b0722252d12 (opens in a new tab)
- ubuntu.com/security/notices/USN-7276-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7277-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7310-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7388-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7389-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7390-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-2 (opens in a new tab)
- ubuntu.com/security/notices/USN-7387-3 (opens in a new tab)
- ubuntu.com/security/notices/USN-7391-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7392-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7393-1 (opens in a new tab)
- ubuntu.com/security/notices/USN-7392-2 (opens in a new tab)