| 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-2024-26760: scsi: target: pscsi: Fix bio_put() for error case |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| scsi: target: pscsi: Fix bio_put() for error case |
| |
| As of commit 066ff571011d ("block: turn bio_kmalloc into a simple kmalloc |
| wrapper"), a bio allocated by bio_kmalloc() must be freed by bio_uninit() |
| and kfree(). That is not done properly for the error case, hitting WARN and |
| NULL pointer dereference in bio_free(). |
| |
| The Linux kernel CVE team has assigned CVE-2024-26760 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 5.19 with commit 066ff571011d8416e903d3d4f1f41e0b5eb91e1d and fixed in 6.1.80 with commit f49b20fd0134da84a6bd8108f9e73c077b7d6231 |
| Issue introduced in 5.19 with commit 066ff571011d8416e903d3d4f1f41e0b5eb91e1d and fixed in 6.6.19 with commit 4ebc079f0c7dcda1270843ab0f38ab4edb8f7921 |
| Issue introduced in 5.19 with commit 066ff571011d8416e903d3d4f1f41e0b5eb91e1d and fixed in 6.7.7 with commit 1cfe9489fb563e9a0c9cdc5ca68257a44428c2ec |
| Issue introduced in 5.19 with commit 066ff571011d8416e903d3d4f1f41e0b5eb91e1d and fixed in 6.8 with commit de959094eb2197636f7c803af0943cb9d3b35804 |
| |
| 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-2024-26760 |
| 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: |
| drivers/target/target_core_pscsi.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/f49b20fd0134da84a6bd8108f9e73c077b7d6231 |
| https://git.kernel.org/stable/c/4ebc079f0c7dcda1270843ab0f38ab4edb8f7921 |
| https://git.kernel.org/stable/c/1cfe9489fb563e9a0c9cdc5ca68257a44428c2ec |
| https://git.kernel.org/stable/c/de959094eb2197636f7c803af0943cb9d3b35804 |
