diff options
Diffstat (limited to 'recipes-extended/libvirt/libvirt/CVE-2023-2700.patch')
-rw-r--r-- | recipes-extended/libvirt/libvirt/CVE-2023-2700.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/recipes-extended/libvirt/libvirt/CVE-2023-2700.patch b/recipes-extended/libvirt/libvirt/CVE-2023-2700.patch new file mode 100644 index 00000000..4711b1be --- /dev/null +++ b/recipes-extended/libvirt/libvirt/CVE-2023-2700.patch | |||
@@ -0,0 +1,54 @@ | |||
1 | From 1fc978bc032f53b61d00271d620d7fe1a134efe3 Mon Sep 17 00:00:00 2001 | ||
2 | From: Tim Shearer <TShearer@adva.com> | ||
3 | Date: Mon, 1 May 2023 13:15:48 +0000 | ||
4 | Subject: [PATCH] virpci: Resolve leak in virPCIVirtualFunctionList cleanup | ||
5 | MIME-Version: 1.0 | ||
6 | Content-Type: text/plain; charset=UTF-8 | ||
7 | Content-Transfer-Encoding: 8bit | ||
8 | |||
9 | Repeatedly querying an SR-IOV PCI device's capabilities exposes a | ||
10 | memory leak caused by a failure to free the virPCIVirtualFunction | ||
11 | array within the parent struct's g_autoptr cleanup. | ||
12 | |||
13 | Valgrind output after getting a single interface's XML description | ||
14 | 1000 times: | ||
15 | |||
16 | ==325982== 256,000 bytes in 1,000 blocks are definitely lost in loss record 2,634 of 2,635 | ||
17 | ==325982== at 0x4C3C096: realloc (vg_replace_malloc.c:1437) | ||
18 | ==325982== by 0x59D952D: g_realloc (in /usr/lib64/libglib-2.0.so.0.5600.4) | ||
19 | ==325982== by 0x4EE1F52: virReallocN (viralloc.c:52) | ||
20 | ==325982== by 0x4EE1FB7: virExpandN (viralloc.c:78) | ||
21 | ==325982== by 0x4EE219A: virInsertElementInternal (viralloc.c:183) | ||
22 | ==325982== by 0x4EE23B2: virAppendElement (viralloc.c:288) | ||
23 | ==325982== by 0x4F65D85: virPCIGetVirtualFunctionsFull (virpci.c:2389) | ||
24 | ==325982== by 0x4F65753: virPCIGetVirtualFunctions (virpci.c:2256) | ||
25 | ==325982== by 0x505CB75: virNodeDeviceGetPCISRIOVCaps (node_device_conf.c:2969) | ||
26 | ==325982== by 0x505D181: virNodeDeviceGetPCIDynamicCaps (node_device_conf.c:3099) | ||
27 | ==325982== by 0x505BC4E: virNodeDeviceUpdateCaps (node_device_conf.c:2677) | ||
28 | ==325982== by 0x260FCBB2: nodeDeviceGetXMLDesc (node_device_driver.c:355) | ||
29 | |||
30 | Signed-off-by: Tim Shearer <tshearer@adva.com> | ||
31 | Reviewed-by: Ján Tomko <jtomko@redhat.com> | ||
32 | |||
33 | CVE: CVE-2023-2700 | ||
34 | Upstream-Status: Backport [https://gitlab.com/libvirt/libvirt/-/commit/6425a311b8ad19d6f9c0b315bf1d722551ea3585#874a1e768ade6ceb4538931cbc06248e73223306] | ||
35 | Signed-off-by: Changqing Li <changqing.li@windriver.com> | ||
36 | --- | ||
37 | src/util/virpci.c | 1 + | ||
38 | 1 file changed, 1 insertion(+) | ||
39 | |||
40 | diff --git a/src/util/virpci.c b/src/util/virpci.c | ||
41 | index 7800966..a44f70f 100644 | ||
42 | --- a/src/util/virpci.c | ||
43 | +++ b/src/util/virpci.c | ||
44 | @@ -2253,6 +2253,7 @@ virPCIVirtualFunctionListFree(virPCIVirtualFunctionList *list) | ||
45 | g_free(list->functions[i].ifname); | ||
46 | } | ||
47 | |||
48 | + g_free(list->functions); | ||
49 | g_free(list); | ||
50 | } | ||
51 | |||
52 | -- | ||
53 | 2.25.1 | ||
54 | |||