Summary
[2.02-0.87.0.21.el7_9.9]
- Add CVE-2022-28736 to the list [JIRA: OLDIS-16371]
[2.02-0.87.0.19.el7_9.9]
- Fix: CVE-2021-3695, CVE-2021-3696, CVE-2021-3697,
CVE-2022-28733, CVE-2022-28734, CVE-2022-28735 [JIRA: OLDIS-16371]
- Various coverity fixes [JIRA: OLDIS-16371]
- bump SBAT generation [JIRA: OLDIS-16371]
Fixed packages 13
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 7 | grub2 | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-common | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-efi-ia32 | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-efi-ia32-cdboot | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-efi-ia32-modules | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-efi-x64 | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-efi-x64-cdboot | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-efi-x64-modules | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-pc | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-pc-modules | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-tools | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-tools-extra | 1:2.02-0.87.0.21.el7_9.9 |
| Oracle Linux · 7 | grub2-tools-minimal | 1:2.02-0.87.0.21.el7_9.9 |
Vulnerabilities 7
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High 8.1
Integer underflow in grub_net_recv_ip4_packets
Integer underflow in grub_net_recv_ip4_packets; A malicious crafted IP packet can lead to an integer underflow in grub_net_recv_ip4_packets() function on rsm->total_len value. Under certain circumstances the total_len value may end up wrapping around to a sma…
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High 8.1
Out-of-bounds write when handling split HTTP headers
Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one position. This can lead to a out-of-bound write further when parsing the HTTP request, writing a N…
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Medium 6.7
The GRUB2's shim_lock verifier allows non-kernel files to be loaded on shim-powered secure boot systems. Allowing such …
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Medium 6.4
There's a use-after-free vulnerability in grub_cmd_chainloader() function
There's a use-after-free vulnerability in grub_cmd_chainloader() function; The chainloader command is used to boot up operating systems that doesn't support multiboot and do not have direct support from GRUB2. When executing chainloader more than once a use-a…
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Unscored —
A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area. An attacker may take advantage…
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Unscored —
A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data co…
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Unscored —
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be writte…