From 7399cf17590204f8289f356cce4575592d6e3536 Mon Sep 17 00:00:00 2001 From: Vijay Anusuri Date: Tue, 8 Apr 2025 16:27:21 +0530 Subject: [PATCH] ghostscript: Fix CVE-2025-27836 Upstream-Status: Backport [https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=8b6d19b2b4079da6863ef25f2370f25d4b054919 & https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=d84efb73723384a8b7fb3989c824cfa218060085] Signed-off-by: Vijay Anusuri Signed-off-by: Steve Sakoman --- .../ghostscript/CVE-2025-27836-1.patch | 64 +++++++++++++++++++ .../ghostscript/CVE-2025-27836-2.patch | 46 +++++++++++++ .../ghostscript/ghostscript_9.55.0.bb | 2 + 3 files changed, 112 insertions(+) create mode 100644 meta/recipes-extended/ghostscript/ghostscript/CVE-2025-27836-1.patch create mode 100644 meta/recipes-extended/ghostscript/ghostscript/CVE-2025-27836-2.patch diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-27836-1.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-27836-1.patch new file mode 100644 index 00000000000..bd32456b992 --- /dev/null +++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-27836-1.patch @@ -0,0 +1,64 @@ +From 8b6d19b2b4079da6863ef25f2370f25d4b054919 Mon Sep 17 00:00:00 2001 +From: Zdenek Hutyra +Date: Mon, 13 Jan 2025 09:07:57 +0000 +Subject: Bug 708192: Fix potential print buffer overflow + +CVE-2025-27836 + +Upstream-Status: Backport [https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=8b6d19b2b4079da6863ef25f2370f25d4b054919] +CVE: CVE-2025-27836 +Signed-off-by: Vijay Anusuri +--- + contrib/japanese/gdev10v.c | 22 ++++++++++++++++------ + 1 file changed, 16 insertions(+), 6 deletions(-) + +diff --git a/contrib/japanese/gdev10v.c b/contrib/japanese/gdev10v.c +index 0bd3cec02..9d27573dc 100644 +--- a/contrib/japanese/gdev10v.c ++++ b/contrib/japanese/gdev10v.c +@@ -199,17 +199,25 @@ bj10v_print_page(gx_device_printer *pdev, gp_file *prn_stream) + int bytes_per_column = bits_per_column / 8; + int x_skip_unit = bytes_per_column * (xres / 180); + int y_skip_unit = (yres / 180); +- byte *in = (byte *)gs_malloc(pdev->memory->non_gc_memory, 8, line_size, "bj10v_print_page(in)"); +- /* We need one extra byte in for our sentinel. */ +- byte *out = (byte *)gs_malloc(pdev->memory->non_gc_memory, bits_per_column * line_size + 1, 1, "bj10v_print_page(out)"); ++ byte *in, *out; + int lnum = 0; + int y_skip = 0; + int code = 0; + int blank_lines = 0; + int bytes_per_data = ((xres == 360) && (yres == 360)) ? 1 : 3; + +- if ( in == 0 || out == 0 ) +- return -1; ++ if (bits_per_column == 0 || line_size > (max_int - 1) / bits_per_column) { ++ code = gs_note_error(gs_error_rangecheck); ++ goto error; ++ } ++ ++ in = (byte *)gs_malloc(pdev->memory->non_gc_memory, 8, line_size, "bj10v_print_page(in)"); ++ /* We need one extra byte in for our sentinel. */ ++ out = (byte *)gs_malloc(pdev->memory->non_gc_memory, bits_per_column * line_size + 1, 1, "bj10v_print_page(out)"); ++ if ( in == NULL || out == NULL ) { ++ code = gs_note_error(gs_error_VMerror); ++ goto error; ++ } + + /* Initialize the printer. */ + prn_puts(pdev, "\033@"); +@@ -320,8 +328,10 @@ notz: + } + + /* Eject the page */ +-xit: prn_putc(pdev, 014); /* form feed */ ++xit: ++ prn_putc(pdev, 014); /* form feed */ + prn_flush(pdev); ++error: + gs_free(pdev->memory->non_gc_memory, (char *)out, bits_per_column, line_size, "bj10v_print_page(out)"); + gs_free(pdev->memory->non_gc_memory, (char *)in, 8, line_size, "bj10v_print_page(in)"); + return code; +-- +cgit v1.2.3 + diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-27836-2.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-27836-2.patch new file mode 100644 index 00000000000..2e3817bdae0 --- /dev/null +++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2025-27836-2.patch @@ -0,0 +1,46 @@ +From d84efb73723384a8b7fb3989c824cfa218060085 Mon Sep 17 00:00:00 2001 +From: Ken Sharp +Date: Thu, 13 Mar 2025 11:01:16 +0000 +Subject: Fix Coverity IDs 457699 and 457700 + +Not sure if Coverity has been updated, this is ancient contrib code +which has not changed for a long time. + +However, fix the warning by initialising the pointers to NULL, and then +avoid trying to free them if they are NULL. + +Upstream-Status: Backport [https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/commit/?id=d84efb73723384a8b7fb3989c824cfa218060085] +CVE: CVE-2025-27836 +Signed-off-by: Vijay Anusuri +--- + contrib/japanese/gdev10v.c | 8 +++++--- + 1 file changed, 5 insertions(+), 3 deletions(-) + +diff --git a/contrib/japanese/gdev10v.c b/contrib/japanese/gdev10v.c +index 9d27573dc..4d47200e5 100644 +--- a/contrib/japanese/gdev10v.c ++++ b/contrib/japanese/gdev10v.c +@@ -199,7 +199,7 @@ bj10v_print_page(gx_device_printer *pdev, gp_file *prn_stream) + int bytes_per_column = bits_per_column / 8; + int x_skip_unit = bytes_per_column * (xres / 180); + int y_skip_unit = (yres / 180); +- byte *in, *out; ++ byte *in = NULL, *out = NULL; + int lnum = 0; + int y_skip = 0; + int code = 0; +@@ -332,7 +332,9 @@ xit: + prn_putc(pdev, 014); /* form feed */ + prn_flush(pdev); + error: +- gs_free(pdev->memory->non_gc_memory, (char *)out, bits_per_column, line_size, "bj10v_print_page(out)"); +- gs_free(pdev->memory->non_gc_memory, (char *)in, 8, line_size, "bj10v_print_page(in)"); ++ if (out != NULL) ++ gs_free(pdev->memory->non_gc_memory, (char *)out, bits_per_column, line_size, "bj10v_print_page(out)"); ++ if (in != NULL) ++ gs_free(pdev->memory->non_gc_memory, (char *)in, 8, line_size, "bj10v_print_page(in)"); + return code; + } +-- +cgit v1.2.3 + diff --git a/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb b/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb index abc0238ddc1..8499bb36765 100644 --- a/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb +++ b/meta/recipes-extended/ghostscript/ghostscript_9.55.0.bb @@ -68,6 +68,8 @@ SRC_URI_BASE = "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/d file://CVE-2025-27832.patch \ file://CVE-2025-27834.patch \ file://CVE-2025-27835.patch \ + file://CVE-2025-27836-1.patch \ + file://CVE-2025-27836-2.patch \ " SRC_URI = "${SRC_URI_BASE} \ -- 2.47.3