diff options
| -rw-r--r-- | main/qemu/APKBUILD | 7 | ||||
| -rw-r--r-- | main/qemu/CVE-2015-3456.patch | 84 |
2 files changed, 90 insertions, 1 deletions
diff --git a/main/qemu/APKBUILD b/main/qemu/APKBUILD index b904850839..1ee54abe31 100644 --- a/main/qemu/APKBUILD +++ b/main/qemu/APKBUILD @@ -1,7 +1,7 @@ # Maintainer: Natanael Copa <ncopa@alpinelinux.org> pkgname=qemu pkgver=2.3.0 -pkgrel=0 +pkgrel=1 pkgdesc="QEMU is a generic machine emulator and virtualizer" url="http://qemu.org/" arch="all" @@ -95,6 +95,8 @@ source="http://wiki.qemu-project.org/download/qemu-$pkgver.tar.bz2 musl-F_SHLCK-and-F_EXLCK.patch fix-sigevent-and-sigval_t.patch + CVE-2015-3456.patch + qemu-guest-agent.confd qemu-guest-agent.initd 80-kvm.rules" @@ -292,6 +294,7 @@ md5sums="2fab3ea4460de9b57192e5b8b311f221 qemu-2.3.0.tar.bz2 d364208c4847ad2baeb237900befecd1 0006-linux-user-signal.c-define-__SIGRTMIN-MAX-for-non-GN.patch bc5f2e41ed3b6d6d30b672adab82e3e1 musl-F_SHLCK-and-F_EXLCK.patch 9afbd6c9586229ce64275f012d665e2a fix-sigevent-and-sigval_t.patch +5e8a68940c4e0267e795a6ddd144e00e CVE-2015-3456.patch 1663bc6977f6886a58394155b1bf3676 qemu-guest-agent.confd 4cb15a1c3de2691dd65842f2325dfe22 qemu-guest-agent.initd 66660f143235201249dc0648b39b86ee 80-kvm.rules" @@ -300,6 +303,7 @@ af35304b165622a53f7557b59ffd8da5030f5fd444e669c862f9410131f3b987 0001-elfload-l 6af6cf9044997710a6d0fbdba30a35c8d775e30d30c032ec97db672f75ec88ac 0006-linux-user-signal.c-define-__SIGRTMIN-MAX-for-non-GN.patch eefd597197223899d3b12d8274af493153e270fd06ea8622e33d6eaeae063d40 musl-F_SHLCK-and-F_EXLCK.patch 9abdf3410dea742cac3552363950c8a7fbcec8dd2bfd68e3c417a284f4e702f5 fix-sigevent-and-sigval_t.patch +de69a47daf292fd0cc01c925a23c9fadbac0fb60c322bf89260cccceb47ca204 CVE-2015-3456.patch d84e53a94584f37f3bd1b21f44077b5de0d07094c6729f26ae20ab1f7b9cc298 qemu-guest-agent.confd 91f5ba66b56bb9a3e0d134de3ea756794d5f09fe8a14a4b0d3d95f69a9245c60 qemu-guest-agent.initd 37f666f1cdb7d8a62171de69b531681dcb0fba74236729dac8b6c019232eba84 80-kvm.rules" @@ -308,6 +312,7 @@ sha512sums="7a40d213c5696b27784abd2a3119e49d42c38c923be431826c73a8f14c19074435d7 ec84b27648c01c6e58781295dcd0c2ff8e5a635f9836ef50c1da5d0ed125db1afc4cb5b01cb97606d6dd8f417acba93e1560d9a32ca29161a4bb730b302440ea 0006-linux-user-signal.c-define-__SIGRTMIN-MAX-for-non-GN.patch 5de10f7e8abae16d1d7521e5ca1bfb62a8f295b324bea84f122f882b7b9354c21e5a00b20a1c5484c1b737b937e53c4ca6979e55705522f0779a5669725369f5 musl-F_SHLCK-and-F_EXLCK.patch e3f006c28318669356cd5b778f26774f06b0a40a4ac852573379df63efcc8276869958faec16797a38bf96c6061dfc040309e462d8559984f67eaf4af701ca1a fix-sigevent-and-sigval_t.patch +81485e26e30314b075a154cbce841fa3b803b70d8539a5ce00e57ec2020ab801d88c35631805811d003505dfd1909a5b70307fdbd8a192986f53143669465bd8 CVE-2015-3456.patch d90c034cae3f9097466854ed1a9f32ab4b02089fcdf7320e8f4da13b2b1ff65067233f48809911485e4431d7ec1a22448b934121bc9522a2dc489009e87e2b1f qemu-guest-agent.confd 69457d757909b990f4fdfaef621696e5a5d287b42bc58e553cb52d85191788a269e91c0475bfb7223d3a9120c19cdf4d749b4d54013a644f33d0551517cdf094 qemu-guest-agent.initd 9b7a89b20fcf737832cb7b4d5dc7d8301dd88169cbe5339eda69fbb51c2e537d8cb9ec7cf37600899e734209e63410d50d0821bce97e401421db39c294d97be2 80-kvm.rules" diff --git a/main/qemu/CVE-2015-3456.patch b/main/qemu/CVE-2015-3456.patch new file mode 100644 index 0000000000..50c19d9f08 --- /dev/null +++ b/main/qemu/CVE-2015-3456.patch @@ -0,0 +1,84 @@ +From e907746266721f305d67bc0718795fedee2e824c Mon Sep 17 00:00:00 2001 +From: Petr Matousek <pmatouse@redhat.com> +Date: Wed, 6 May 2015 09:48:59 +0200 +Subject: [PATCH] fdc: force the fifo access to be in bounds of the allocated buffer + +During processing of certain commands such as FD_CMD_READ_ID and +FD_CMD_DRIVE_SPECIFICATION_COMMAND the fifo memory access could +get out of bounds leading to memory corruption with values coming +from the guest. + +Fix this by making sure that the index is always bounded by the +allocated memory. + +This is CVE-2015-3456. + +Signed-off-by: Petr Matousek <pmatouse@redhat.com> +Reviewed-by: John Snow <jsnow@redhat.com> +Signed-off-by: John Snow <jsnow@redhat.com> +--- + hw/block/fdc.c | 17 +++++++++++------ + 1 files changed, 11 insertions(+), 6 deletions(-) + +diff --git a/hw/block/fdc.c b/hw/block/fdc.c +index f72a392..d8a8edd 100644 +--- a/hw/block/fdc.c ++++ b/hw/block/fdc.c +@@ -1497,7 +1497,7 @@ static uint32_t fdctrl_read_data(FDCtrl *fdctrl) + { + FDrive *cur_drv; + uint32_t retval = 0; +- int pos; ++ uint32_t pos; + + cur_drv = get_cur_drv(fdctrl); + fdctrl->dsr &= ~FD_DSR_PWRDOWN; +@@ -1506,8 +1506,8 @@ static uint32_t fdctrl_read_data(FDCtrl *fdctrl) + return 0; + } + pos = fdctrl->data_pos; ++ pos %= FD_SECTOR_LEN; + if (fdctrl->msr & FD_MSR_NONDMA) { +- pos %= FD_SECTOR_LEN; + if (pos == 0) { + if (fdctrl->data_pos != 0) + if (!fdctrl_seek_to_next_sect(fdctrl, cur_drv)) { +@@ -1852,10 +1852,13 @@ static void fdctrl_handle_option(FDCtrl *fdctrl, int direction) + static void fdctrl_handle_drive_specification_command(FDCtrl *fdctrl, int direction) + { + FDrive *cur_drv = get_cur_drv(fdctrl); ++ uint32_t pos; + +- if (fdctrl->fifo[fdctrl->data_pos - 1] & 0x80) { ++ pos = fdctrl->data_pos - 1; ++ pos %= FD_SECTOR_LEN; ++ if (fdctrl->fifo[pos] & 0x80) { + /* Command parameters done */ +- if (fdctrl->fifo[fdctrl->data_pos - 1] & 0x40) { ++ if (fdctrl->fifo[pos] & 0x40) { + fdctrl->fifo[0] = fdctrl->fifo[1]; + fdctrl->fifo[2] = 0; + fdctrl->fifo[3] = 0; +@@ -1955,7 +1958,7 @@ static uint8_t command_to_handler[256]; + static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value) + { + FDrive *cur_drv; +- int pos; ++ uint32_t pos; + + /* Reset mode */ + if (!(fdctrl->dor & FD_DOR_nRESET)) { +@@ -2004,7 +2007,9 @@ static void fdctrl_write_data(FDCtrl *fdctrl, uint32_t value) + } + + FLOPPY_DPRINTF("%s: %02x\n", __func__, value); +- fdctrl->fifo[fdctrl->data_pos++] = value; ++ pos = fdctrl->data_pos++; ++ pos %= FD_SECTOR_LEN; ++ fdctrl->fifo[pos] = value; + if (fdctrl->data_pos == fdctrl->data_len) { + /* We now have all parameters + * and will be able to treat the command +-- +1.7.0.4 + |