| 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-2024-49902: jfs: check if leafidx greater than num leaves per dmap tree |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| jfs: check if leafidx greater than num leaves per dmap tree |
| |
| syzbot report a out of bounds in dbSplit, it because dmt_leafidx greater |
| than num leaves per dmap tree, add a checking for dmt_leafidx in dbFindLeaf. |
| |
| Shaggy: |
| Modified sanity check to apply to control pages as well as leaf pages. |
| |
| The Linux kernel CVE team has assigned CVE-2024-49902 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Fixed in 4.19.323 with commit d76b9a4c283c7535ae7c7c9b14984e75402951e1 |
| Fixed in 5.4.285 with commit 35b91f15f44ce3c01eba058ccb864bb04743e792 |
| Fixed in 5.10.227 with commit 2451e5917c56be45d4add786e2a059dd9c2c37c4 |
| Fixed in 5.15.168 with commit 25d2a3ff02f22e215ce53355619df10cc5faa7ab |
| Fixed in 6.1.113 with commit 058aa89b3318be3d66a103ba7c68d717561e1dc6 |
| Fixed in 6.6.55 with commit 7fff9a9f866e99931cf6fa260288e55d01626582 |
| Fixed in 6.10.14 with commit cb0eb10558802764f07de1dc439c4609e27cb4f0 |
| Fixed in 6.11.3 with commit 4a7bf6a01fb441009a6698179a739957efd88e38 |
| Fixed in 6.12 with commit d64ff0d2306713ff084d4b09f84ed1a8c75ecc32 |
| |
| 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-2024-49902 |
| 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/jfs/jfs_dmap.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/d76b9a4c283c7535ae7c7c9b14984e75402951e1 |
| https://git.kernel.org/stable/c/35b91f15f44ce3c01eba058ccb864bb04743e792 |
| https://git.kernel.org/stable/c/2451e5917c56be45d4add786e2a059dd9c2c37c4 |
| https://git.kernel.org/stable/c/25d2a3ff02f22e215ce53355619df10cc5faa7ab |
| https://git.kernel.org/stable/c/058aa89b3318be3d66a103ba7c68d717561e1dc6 |
| https://git.kernel.org/stable/c/7fff9a9f866e99931cf6fa260288e55d01626582 |
| https://git.kernel.org/stable/c/cb0eb10558802764f07de1dc439c4609e27cb4f0 |
| https://git.kernel.org/stable/c/4a7bf6a01fb441009a6698179a739957efd88e38 |
| https://git.kernel.org/stable/c/d64ff0d2306713ff084d4b09f84ed1a8c75ecc32 |
