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回合上游社区补丁,补丁数量:3
已完成
#IB9CWL
缺陷
peulerosci
创建于
2024-12-05 17:15
<h3>优先级:</h3><p>次要</p><p></p><h3>补丁内容:</h3><p></p><p></p><table ><tr><td colSpan="1" rowSpan="1">软件包</td><td colSpan="1" rowSpan="1">CommitId</td><td colSpan="1" rowSpan="1">描述</td><td colSpan="1" rowSpan="1">分析人</td></tr><tr><td colSpan="1" rowSpan="1">openEuler:glibc</td><td colSpan="1" rowSpan="1">f2326c2ec0a0a8db7bc7f4db8cce3002768fc3b6</td><td colSpan="1" rowSpan="1">elf: Introduce _dl_relocate_object_no_relro<br/><br/>And make _dl_protect_relro apply RELRO conditionally.<br/><br/>Reviewed-by: DJ Delorie </td><td colSpan="1" rowSpan="1">tong_1001</td></tr><tr><td colSpan="1" rowSpan="1">openEuler:glibc</td><td colSpan="1" rowSpan="1">c1560f3f75c0e892b5522c16f91b4e303f677094</td><td colSpan="1" rowSpan="1">elf: Switch to main malloc after final ld.so self-relocation<br/><br/>Before commit ee1ada1bdb8074de6e1bdc956ab19aef7b6a7872<br/>(elf: Rework exception handling in the dynamic loader<br/>[BZ #25486]), the previous order called the main calloc<br/>to allocate a shadow GOT/PLT array for auditing support.<br/>This happened before libc.so.6 ELF constructors were run, so<br/>a user malloc could run without libc.so.6 having been<br/>initialized fully. One observable effect was that<br/>environ was NULL at this point.<br/><br/>It does not seem to be possible at present to trigger such<br/>an allocation, but it seems more robust to delay switching<br/>to main malloc after ld.so self-relocation is complete.<br/>The elf/tst-rtld-no-malloc-audit test case fails with a<br/>2.34-era glibc that does not have this fix.<br/><br/>Reviewed-by: DJ Delorie </td><td colSpan="1" rowSpan="1">tong_1001</td></tr><tr><td colSpan="1" rowSpan="1">openEuler:glibc</td><td colSpan="1" rowSpan="1">e7b553272196e6175b8a15f807cb59217ba2843a</td><td colSpan="1" rowSpan="1">elf: Handle static PIE with non-zero load address [BZ #31799]<br/><br/>For a static PIE with non-zero load address, its PT_DYNAMIC segment<br/>entries contain the relocated values for the load address in static PIE.<br/>Since static PIE usually doesn't have PT_PHDR segment, use p_vaddr of<br/>the PT_LOAD segment with offset == 0 as the load address in static PIE<br/>and adjust the entries of PT_DYNAMIC segment in static PIE by properly<br/>setting the l_addr field for static PIE. This fixes BZ #31799.<br/><br/>Signed-off-by: H.J. Lu <br/>Reviewed-by: Noah Goldstein </td><td colSpan="1" rowSpan="1">tong_1001</td></tr></table><p></p> **二、缺陷分析结构反馈** 影响性分析说明: 缺陷严重等级:(Critical/High/Moderate/Low) 缺陷根因说明: 受影响版本排查(受影响/不受影响): openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP3 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS 修复是否涉及abi变化(是/否): openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP3 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS
<h3>优先级:</h3><p>次要</p><p></p><h3>补丁内容:</h3><p></p><p></p><table ><tr><td colSpan="1" rowSpan="1">软件包</td><td colSpan="1" rowSpan="1">CommitId</td><td colSpan="1" rowSpan="1">描述</td><td colSpan="1" rowSpan="1">分析人</td></tr><tr><td colSpan="1" rowSpan="1">openEuler:glibc</td><td colSpan="1" rowSpan="1">f2326c2ec0a0a8db7bc7f4db8cce3002768fc3b6</td><td colSpan="1" rowSpan="1">elf: Introduce _dl_relocate_object_no_relro<br/><br/>And make _dl_protect_relro apply RELRO conditionally.<br/><br/>Reviewed-by: DJ Delorie </td><td colSpan="1" rowSpan="1">tong_1001</td></tr><tr><td colSpan="1" rowSpan="1">openEuler:glibc</td><td colSpan="1" rowSpan="1">c1560f3f75c0e892b5522c16f91b4e303f677094</td><td colSpan="1" rowSpan="1">elf: Switch to main malloc after final ld.so self-relocation<br/><br/>Before commit ee1ada1bdb8074de6e1bdc956ab19aef7b6a7872<br/>(elf: Rework exception handling in the dynamic loader<br/>[BZ #25486]), the previous order called the main calloc<br/>to allocate a shadow GOT/PLT array for auditing support.<br/>This happened before libc.so.6 ELF constructors were run, so<br/>a user malloc could run without libc.so.6 having been<br/>initialized fully. One observable effect was that<br/>environ was NULL at this point.<br/><br/>It does not seem to be possible at present to trigger such<br/>an allocation, but it seems more robust to delay switching<br/>to main malloc after ld.so self-relocation is complete.<br/>The elf/tst-rtld-no-malloc-audit test case fails with a<br/>2.34-era glibc that does not have this fix.<br/><br/>Reviewed-by: DJ Delorie </td><td colSpan="1" rowSpan="1">tong_1001</td></tr><tr><td colSpan="1" rowSpan="1">openEuler:glibc</td><td colSpan="1" rowSpan="1">e7b553272196e6175b8a15f807cb59217ba2843a</td><td colSpan="1" rowSpan="1">elf: Handle static PIE with non-zero load address [BZ #31799]<br/><br/>For a static PIE with non-zero load address, its PT_DYNAMIC segment<br/>entries contain the relocated values for the load address in static PIE.<br/>Since static PIE usually doesn't have PT_PHDR segment, use p_vaddr of<br/>the PT_LOAD segment with offset == 0 as the load address in static PIE<br/>and adjust the entries of PT_DYNAMIC segment in static PIE by properly<br/>setting the l_addr field for static PIE. This fixes BZ #31799.<br/><br/>Signed-off-by: H.J. Lu <br/>Reviewed-by: Noah Goldstein </td><td colSpan="1" rowSpan="1">tong_1001</td></tr></table><p></p> **二、缺陷分析结构反馈** 影响性分析说明: 缺陷严重等级:(Critical/High/Moderate/Low) 缺陷根因说明: 受影响版本排查(受影响/不受影响): openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP3 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS 修复是否涉及abi变化(是/否): openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP3 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS
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