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author | 2023-11-16 21:20:00 -0800 | |
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committer | 2023-11-17 06:53:31 -1000 | |
commit | d019fcc99c542d49be6e1615a5c75f88f8ff5a52 (patch) | |
tree | 06455689dc60730834292e37b43f6a7e323d2c8b /meta/recipes-devtools | |
parent | c89835b37366dde6c74f8221fd5a295ecabf8225 (diff) | |
download | openembedded-core-contrib-d019fcc99c542d49be6e1615a5c75f88f8ff5a52.tar.gz |
qemu 6.2.0: Fix CVE-2023-1544
Upstream Repository: https://gitlab.com/qemu-project/qemu.git
Bug Details: https://nvd.nist.gov/vuln/detail/CVE-2023-1544
Type: Security Fix
CVE: CVE-2023-1544
Score: 6.3
Patch: https://gitlab.com/qemu-project/qemu/-/commit/85fc35afa93c
Signed-off-by: Niranjan Pradhan <nirpradh@cisco.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Diffstat (limited to 'meta/recipes-devtools')
-rw-r--r-- | meta/recipes-devtools/qemu/qemu.inc | 1 | ||||
-rw-r--r-- | meta/recipes-devtools/qemu/qemu/CVE-2023-1544.patch | 70 |
2 files changed, 71 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index 83bd5d7e67..c8e4e2e6f3 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -101,6 +101,7 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://CVE-2023-3354.patch \ file://CVE-2023-3180.patch \ file://CVE-2021-3638.patch \ + file://CVE-2023-1544.patch \ " UPSTREAM_CHECK_REGEX = "qemu-(?P<pver>\d+(\.\d+)+)\.tar" diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2023-1544.patch b/meta/recipes-devtools/qemu/qemu/CVE-2023-1544.patch new file mode 100644 index 0000000000..b4781e1c18 --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2023-1544.patch @@ -0,0 +1,70 @@ +From e7d6e37675e422cfab2fe8c6bd411d2097228760 Mon Sep 17 00:00:00 2001 +From: Yuval Shaia <yuval.shaia.ml@gmail.com> +Date: Wed, 1 Mar 2023 16:29:26 +0200 +Subject: [PATCH] hw/pvrdma: Protect against buggy or malicious guest driver + +Guest driver allocates and initialize page tables to be used as a ring +of descriptors for CQ and async events. +The page table that represents the ring, along with the number of pages +in the page table is passed to the device. +Currently our device supports only one page table for a ring. + +Let's make sure that the number of page table entries the driver +reports, do not exceeds the one page table size. + +CVE: CVE-2023-1544 +Upstream-Status: Backport [https://gitlab.com/qemu-project/qemu/-/commit/85fc35afa93c] + +Reported-by: Soul Chen <soulchen8650@gmail.com> +Signed-off-by: Yuval Shaia <yuval.shaia.ml@gmail.com> +Fixes: CVE-2023-1544 +Message-ID: <20230301142926.18686-1-yuval.shaia.ml@gmail.com> +Signed-off-by: Thomas Huth <thuth@redhat.com> +(cherry picked from commit 85fc35afa93c7320d1641d344d0c5dfbe341d087) +Signed-off-by: Niranjan Pradhan <nirpradh@cisco.com> +--- + hw/rdma/vmw/pvrdma_main.c | 16 +++++++++++++++- + 1 file changed, 15 insertions(+), 1 deletion(-) + +diff --git a/hw/rdma/vmw/pvrdma_main.c b/hw/rdma/vmw/pvrdma_main.c +index 4fc6712025..55b338046e 100644 +--- a/hw/rdma/vmw/pvrdma_main.c ++++ b/hw/rdma/vmw/pvrdma_main.c +@@ -91,19 +91,33 @@ static int init_dev_ring(PvrdmaRing *ring, PvrdmaRingState **ring_state, + dma_addr_t dir_addr, uint32_t num_pages) + { + uint64_t *dir, *tbl; +- int rc = 0; ++ int max_pages, rc = 0; + + if (!num_pages) { + rdma_error_report("Ring pages count must be strictly positive"); + return -EINVAL; + } + ++ /* ++ * Make sure we can satisfy the requested number of pages in a single ++ * TARGET_PAGE_SIZE sized page table (taking into account that first entry ++ * is reserved for ring-state) ++ */ ++ max_pages = TARGET_PAGE_SIZE / sizeof(dma_addr_t) - 1; ++ if (num_pages > max_pages) { ++ rdma_error_report("Maximum pages on a single directory must not exceed %d\n", ++ max_pages); ++ return -EINVAL; ++ } ++ + dir = rdma_pci_dma_map(pci_dev, dir_addr, TARGET_PAGE_SIZE); + if (!dir) { + rdma_error_report("Failed to map to page directory (ring %s)", name); + rc = -ENOMEM; + goto out; + } ++ ++ /* We support only one page table for a ring */ + tbl = rdma_pci_dma_map(pci_dev, dir[0], TARGET_PAGE_SIZE); + if (!tbl) { + rdma_error_report("Failed to map to page table (ring %s)", name); +-- +2.35.6 + |