| From bippy-5f407fcff5a0 Mon Sep 17 00:00:00 2001 |
| From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| To: <linux-cve-announce@vger.kernel.org> |
| Reply-to: <cve@kernel.org>, <linux-kernel@vger.kernel.org> |
| Subject: CVE-2024-49965: ocfs2: remove unreasonable unlock in ocfs2_read_blocks |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| ocfs2: remove unreasonable unlock in ocfs2_read_blocks |
| |
| Patch series "Misc fixes for ocfs2_read_blocks", v5. |
| |
| This series contains 2 fixes for ocfs2_read_blocks(). The first patch fix |
| the issue reported by syzbot, which detects bad unlock balance in |
| ocfs2_read_blocks(). The second patch fixes an issue reported by Heming |
| Zhao when reviewing above fix. |
| |
| |
| This patch (of 2): |
| |
| There was a lock release before exiting, so remove the unreasonable unlock. |
| |
| The Linux kernel CVE team has assigned CVE-2024-49965 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 4.19.87 with commit 6c150df9c2e80b5cf86f5a0d98beb7390ad63bfc and fixed in 4.19.323 with commit 5245f109b4afb6595360d4c180d483a6d2009a59 |
| Issue introduced in 4.20 with commit cf76c78595ca87548ca5e45c862ac9e0949c4687 and fixed in 5.4.285 with commit 9753bcb17b36c9add9b32c61766ddf8d2d161911 |
| Issue introduced in 4.20 with commit cf76c78595ca87548ca5e45c862ac9e0949c4687 and fixed in 5.10.227 with commit 3f1ca6ba5452d53c598a45d21267a2c0c221eef3 |
| Issue introduced in 4.20 with commit cf76c78595ca87548ca5e45c862ac9e0949c4687 and fixed in 5.15.168 with commit f55a33fe0fb5274ef185fd61947cf142138958af |
| Issue introduced in 4.20 with commit cf76c78595ca87548ca5e45c862ac9e0949c4687 and fixed in 6.1.113 with commit 81aba693b129e82e11bb54f569504d943d018de9 |
| Issue introduced in 4.20 with commit cf76c78595ca87548ca5e45c862ac9e0949c4687 and fixed in 6.6.55 with commit 84543da867c967edffd5065fa910ebf56aaae49d |
| Issue introduced in 4.20 with commit cf76c78595ca87548ca5e45c862ac9e0949c4687 and fixed in 6.10.14 with commit df4f20fc3673cee11abf2c571987a95733cb638d |
| Issue introduced in 4.20 with commit cf76c78595ca87548ca5e45c862ac9e0949c4687 and fixed in 6.11.3 with commit 39a88623af3f1c686bf6db1e677ed865ffe6fccc |
| Issue introduced in 4.20 with commit cf76c78595ca87548ca5e45c862ac9e0949c4687 and fixed in 6.12 with commit c03a82b4a0c935774afa01fd6d128b444fd930a1 |
| Issue introduced in 4.4.204 with commit 01f93d5e36753fc4d06ec67f05ce78c9c6f2dd56 |
| Issue introduced in 4.9.204 with commit 65cbd1279f4b999d56a838344a30642db24cd215 |
| Issue introduced in 4.14.157 with commit 97e1db17bc1ef4c2e1789bc9323c7be44fba53f8 |
| |
| Please see https://www.kernel.org for a full list of currently supported |
| kernel versions by the kernel community. |
| |
| Unaffected versions might change over time as fixes are backported to |
| older supported kernel versions. The official CVE entry at |
| https://cve.org/CVERecord/?id=CVE-2024-49965 |
| will be updated if fixes are backported, please check that for the most |
| up to date information about this issue. |
| |
| |
| Affected files |
| ============== |
| |
| The file(s) affected by this issue are: |
| fs/ocfs2/buffer_head_io.c |
| |
| |
| Mitigation |
| ========== |
| |
| The Linux kernel CVE team recommends that you update to the latest |
| stable kernel version for this, and many other bugfixes. Individual |
| changes are never tested alone, but rather are part of a larger kernel |
| release. Cherry-picking individual commits is not recommended or |
| supported by the Linux kernel community at all. If however, updating to |
| the latest release is impossible, the individual changes to resolve this |
| issue can be found at these commits: |
| https://git.kernel.org/stable/c/5245f109b4afb6595360d4c180d483a6d2009a59 |
| https://git.kernel.org/stable/c/9753bcb17b36c9add9b32c61766ddf8d2d161911 |
| https://git.kernel.org/stable/c/3f1ca6ba5452d53c598a45d21267a2c0c221eef3 |
| https://git.kernel.org/stable/c/f55a33fe0fb5274ef185fd61947cf142138958af |
| https://git.kernel.org/stable/c/81aba693b129e82e11bb54f569504d943d018de9 |
| https://git.kernel.org/stable/c/84543da867c967edffd5065fa910ebf56aaae49d |
| https://git.kernel.org/stable/c/df4f20fc3673cee11abf2c571987a95733cb638d |
| https://git.kernel.org/stable/c/39a88623af3f1c686bf6db1e677ed865ffe6fccc |
| https://git.kernel.org/stable/c/c03a82b4a0c935774afa01fd6d128b444fd930a1 |
