X-Git-Url: https://git.proxmox.com/?p=pve-qemu-kvm.git;a=blobdiff_plain;f=debian%2Fpatches%2Fold%2FCVE-2016-1568-ide-ahci-reset-ncq-object-to-unused-on-error.patch;fp=debian%2Fpatches%2Fold%2FCVE-2016-1568-ide-ahci-reset-ncq-object-to-unused-on-error.patch;h=0000000000000000000000000000000000000000;hp=e7d5ebc6dd373c6052511815b181b57551de8f9e;hb=e8d0924679a5d7a3acfc128a1140ffdef0269338;hpb=dcfd9c72bc5bb92f7715f7eb52e6610bc629a1c8 diff --git a/debian/patches/old/CVE-2016-1568-ide-ahci-reset-ncq-object-to-unused-on-error.patch b/debian/patches/old/CVE-2016-1568-ide-ahci-reset-ncq-object-to-unused-on-error.patch deleted file mode 100644 index e7d5ebc..0000000 --- a/debian/patches/old/CVE-2016-1568-ide-ahci-reset-ncq-object-to-unused-on-error.patch +++ /dev/null @@ -1,37 +0,0 @@ -From b9a60d97fac671f31df599e7e48fd28fc203c0af Mon Sep 17 00:00:00 2001 -From: Prasad J Pandit -Date: Sat, 9 Jan 2016 01:18:31 +0530 -Subject: [PATCH] ide: ahci: reset ncq object to unused on error - -When processing NCQ commands, ACHI device emulation prepares a -NCQ transfer object; To which an aio control block(aiocb) object -is assigned in 'execute_ncq_command'. In case, when the NCQ -command is invalid, the 'aiocb' object is not assigned, and NCQ -transfer object is left as 'used'. This leads to a use after -free kind of error in 'bdrv_aio_cancel_async' via 'ahci_reset_port'. -Reset NCQ transfer object to 'unused' to avoid it. - -Reported-by: Qinghao Tang -Signed-off-by: Prasad J Pandit -Reviewed-by: John Snow -Message-id: 1452282511-4116-1-git-send-email-ppandit@redhat.com -Signed-off-by: John Snow ---- - hw/ide/ahci.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c -index dd1912e..17f1cbd 100644 ---- a/hw/ide/ahci.c -+++ b/hw/ide/ahci.c -@@ -910,6 +910,7 @@ static void ncq_err(NCQTransferState *ncq_tfs) - ide_state->error = ABRT_ERR; - ide_state->status = READY_STAT | ERR_STAT; - ncq_tfs->drive->port_regs.scr_err |= (1 << ncq_tfs->tag); -+ ncq_tfs->used = 0; - } - - static void ncq_finish(NCQTransferState *ncq_tfs) --- -2.1.4 -