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CVE-2020-14309
High prioritySome fixes available 10 of 12
There's an issue with grub2 in all versions before 2.06 when handling squashfs filesystems containing a symbolic link with name length of UINT32 bytes in size. The name size leads to an arithmetic overflow leading to a zero-size...
3 affected packages
grub2, grub2-signed, grub2-unsigned
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
---|---|---|---|---|---|
grub2 | Not affected | Not affected | Fixed | Fixed | Fixed |
grub2-signed | Not affected | Not affected | Fixed | Fixed | Fixed |
grub2-unsigned | Not affected | Not affected | Fixed | Fixed | Vulnerable |
CVE-2020-14308
High prioritySome fixes available 10 of 12
In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to...
3 affected packages
grub2, grub2-signed, grub2-unsigned
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
---|---|---|---|---|---|
grub2 | Not affected | Not affected | Fixed | Fixed | Fixed |
grub2-signed | Not affected | Not affected | Fixed | Fixed | Fixed |
grub2-unsigned | Not affected | Not affected | Fixed | Fixed | Vulnerable |
CVE-2020-10713
High prioritySome fixes available 10 of 13
A flaw was found in grub2, prior to version 2.06. An attacker may use the GRUB 2 flaw to hijack and tamper the GRUB verification process. This flaw also allows the bypass of Secure Boot protections. In order to load an untrusted...
3 affected packages
grub2, grub2-signed, grub2-unsigned
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
---|---|---|---|---|---|
grub2 | Not affected | Not affected | Fixed | Fixed | Fixed |
grub2-signed | Not affected | Not affected | Fixed | Fixed | Fixed |
grub2-unsigned | Not affected | Not affected | Fixed | Fixed | Vulnerable |
CVE-2014-4607
Medium prioritySome fixes available 42 of 44
Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07 on 32-bit platforms might allow remote attackers to execute arbitrary code via a crafted Literal Run.
5 affected packages
grub2, grub2-signed, grub2-unsigned, krfb, lzo2
Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
---|---|---|---|---|---|
grub2 | Fixed | Fixed | Fixed | Not affected | Not affected |
grub2-signed | Not affected | Not affected | Fixed | Not affected | Not affected |
grub2-unsigned | Not affected | Not affected | Fixed | Not affected | Not affected |
krfb | Fixed | Fixed | Fixed | Fixed | Fixed |
lzo2 | Fixed | Fixed | Fixed | Fixed | Fixed |