diff --git a/fix-CVE-2019-1010023.patch b/fix-CVE-2019-1010023.patch new file mode 100644 index 0000000000000000000000000000000000000000..efa322e8fae961626d8e62c7a553b5f1f64f272b --- /dev/null +++ b/fix-CVE-2019-1010023.patch @@ -0,0 +1,66 @@ +From fe1ffef2eec9c6634a1e9af951eb68f0f5614470 Mon Sep 17 00:00:00 2001 +From: xujing +Date: Thu, 2 Dec 2021 11:41:46 +0800 +Subject: [PATCH] glibc: fix CVE-2019-1010023 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +| PT_LOAD +| +| […] Loadable segment entries in the program header table appear in +| ascending order, sorted on the p_vaddr member. + +http://www.sco.com/developers/gabi/latest/ch5.pheader.html + +Some check needed to fix vulnerability in load commands mapping reported by + +https://sourceware.org/bugzilla/show_bug.cgi?id=22851 + +Signed-off-by: lvying +Signed-off-by: xujing +--- + elf/dl-map-segments.h | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/elf/dl-map-segments.h b/elf/dl-map-segments.h +index 084076a2..a41ae73b 100644 +--- a/elf/dl-map-segments.h ++++ b/elf/dl-map-segments.h +@@ -33,6 +33,7 @@ _dl_map_segments (struct link_map *l, int fd, + struct link_map *loader) + { + const struct loadcmd *c = loadcmds; ++ ElfW(Addr) l_map_end_aligned; + + if (__glibc_likely (type == ET_DYN)) + { +@@ -61,6 +62,8 @@ _dl_map_segments (struct link_map *l, int fd, + return DL_MAP_SEGMENTS_ERROR_MAP_SEGMENT; + + l->l_map_end = l->l_map_start + maplength; ++ l_map_end_aligned = ((l->l_map_end + GLRO(dl_pagesize) - 1) ++ & ~(GLRO(dl_pagesize) - 1)); + l->l_addr = l->l_map_start - c->mapstart; + + if (has_holes) +@@ -85,10 +88,16 @@ _dl_map_segments (struct link_map *l, int fd, + /* Remember which part of the address space this object uses. */ + l->l_map_start = c->mapstart + l->l_addr; + l->l_map_end = l->l_map_start + maplength; ++ l_map_end_aligned = ((l->l_map_end + GLRO(dl_pagesize) - 1) ++ & ~(GLRO(dl_pagesize) - 1)); + l->l_contiguous = !has_holes; + + while (c < &loadcmds[nloadcmds]) + { ++ if ((l->l_addr + c->mapend) > l_map_end_aligned || ++ (l->l_addr + c->mapstart) < l->l_map_start) ++ return DL_MAP_SEGMENTS_ERROR_MAP_SEGMENT; ++ + if (c->mapend > c->mapstart + /* Map the segment contents from the file. */ + && (__mmap ((void *) (l->l_addr + c->mapstart), +-- +2.23.0 + diff --git a/glibc.spec b/glibc.spec index 5589315d13d0b1eb36f72fcbdbab57a0575f317b..f4c90247bf1212b786c899482d9c67539c63180c 100644 --- a/glibc.spec +++ b/glibc.spec @@ -67,7 +67,7 @@ ############################################################################## Name: glibc Version: 2.38 -Release: 52 +Release: 53 Summary: The GNU libc libraries License: %{all_license} URL: http://www.gnu.org/software/glibc/ @@ -310,6 +310,8 @@ Patch9034: 0001-x86-Set-preferred-CPU-features-on-the-KH-40000-and-K.patch Patch9035: 0002-x86_64-Optimize-large-size-copy-in-memmove-ssse3.patch Patch9036: 0003-x86-Set-default-non_temporal_threshold-for-Zhaoxin-p.patch +Patch9037: fix-CVE-2019-1010023.patch + Provides: ldconfig rtld(GNU_HASH) bundled(gnulib) BuildRequires: audit-libs-devel >= 1.1.3, sed >= 3.95, libcap-devel, gettext @@ -1486,6 +1488,9 @@ fi %endif %changelog +* Thu Feb 06 2025 shixuantong - 2.38-53 +- fix CVE-2019-1010023 + * Sun Jan 26 2025 Qingqing Li - 2.38-52 - stdlib: Test using setenv with updated environ [BZ #32588] - Fix underallocation of abort_msg_s struct (CVE-2025-0395)